No. 1 Clearwater Beach It lies in America， about a forty minute drive west of Tampa. It impresses travelers with two and a half miles of sugar-white sand， crystal-clear waters and gentle Gulf wind. The beach offers calm， shallow water， making it an ideal playground for tourists. *Bargain hotel nearby： Pier House 60 Marina Hotel， from $293 per night * Airfare： As low as $71 round-trip from ORD (Chicago) to TPA (Tampa) No. 2 Siesta Beach Just south of Sarasota， Siesta Beach on Siesta Key is known for its eight mile stretch of sugar-fine， quartz-white sand. It's also a great spot for kids to collect seashells and sand dollars. *Bargain hotel nearby： Tropical Beach Resorts， from $295 per night *Airfare： As low as $238 round-trip from EWR(Newark) to SRQ(Sarasota) No. 3 Ka'anapali Beach Among the most visited beach in West Maui， this area is a popular spot for quiet relaxation or water sports. It's also famous for the daily cliff diving ceremony off of the beach's northernmost cliffs known as Black Rock. *Bargain hotel nearby： Lahaina Shores Beach Resort， from $289 per night *Airfare： As low as $382 round-trip from SFO (San Francisco) to OGG (Kahului) No. 4 South Beach People watching is a great pastime in Miami's South Beach， which draws celebrities and models. Travelers love the wide， fine， white sand-covered beaches as well as the
surrounding area， known for wild nightlife and excellent restaurants. *Bargain hotel nearby： Room Mate Lord Balfour， from $264 per night *Great airfare： As low as $107 round-trip from LGA (New York) to MIA (Miami) ( )56. Siesta Beach is different from other three beaches in that Ｗ. A. tourists enjoy an exciting sport B. fine sugar-white sand covers it C. many famous persons visit it D. children have more great fun
( )57. How much may they pay at least if Mr. and Mrs. Smith from Chicago visit a beach？ A. $364. B. $435. C. $579. D. $657.
B
High prams(婴儿车)with coverings that protect a baby's head could go some way towards reducing exposure to dangerous particle pollution.
By installing air quality sensors and taking prams for a walk， a team at the University of Surrey， UK， has found that higher prams are better， because most particle pollution is concentrated in the first metre above road level. On average， children in prams breathe at a height of about 0.85 metres，meaning they are exposed to about 60 percent more pollution than adults.
On top of this， particle pollution is more dangerous to babies than adults， says Jonathan Griggs at Queen Mary University of London， who was not involved in the study. Babies breathe faster than adults and they are easily hurt for the effects of pollution because the protective mechanisms in their lungs are not yet fully developed， he says.
When choosing the best pram for defending against pollution， the weather is also a factor. Hot summer air concentrates pollution close to the ground， making seat height particularly important. But when the air is cold， the heat from car exhausts(排气管)causes dangerous particles higher in the air， after which they fall. In these cases， prams with some kind of covering can help protect children from pollution falling down on them from above.
“There are very few existing studies to draw conclusive evidence on which pram design is best，” says Prashant Kumar， who led the research. So far he is only able to identify broad things to look for in a pram. In the future， it may be possible to purchase add-on air filter(过滤)systems for prams. One currently in development is called Brizi，which consists of a flat headrest with wings on either side of the baby's head. Air is sucked in on one side，cleaned， and blown out the other， creating a bubble of slightly higher air pressure， which keeps out particles.
“Designing better prams is only a temporary solution to dealing with pollution itself，” says Griggs. “It's certainly cautious not to stick your child next to an exhaust pipe， and most importantly reduce emissions on roads.”
( )58. One of the research findings is that high prams with coverings are Ｗ. A. more convenient to push B. helpful to block sunshine
C. good for protecting babies' heads D. effective to protect babies from pollution
( )59. What can parents do to protect babies？
A. Monitor their breathing rate. B. Promote their lung development.
C. Offer comfortable seats in hot days. D. Keep babies away from exhausts. ( )60. What does the passage mainly talk about？ A. The benefit of high prams with coverings.
B. The development of air filter system for prams. C. The necessity of designing the best prams. D. The urgency of reducing particle pollution.
C
One sunny afternoon in the autumn of the year 1861 a soldier lay in clump of laurel(月桂树) by the side of a road in western Virginia. He lay at full length upon his stomach， his head upon the left forearm. His extended right hand loosely grasped his gun. But for the slight rhythmic movement of his back， he might have been thought to be dead. He was asleep at his post of duty. But if found he would be dead shortly afterward， death being the just and legal penalty of his crime.
The sleeping soldier was a young Virginian named Carter Druse. He was the son of wealthy parents， an only child. His home was but a few miles from where he now lay. One morning he had risen from the breakfast table and said， quietly but gravely： “Father， the Union army has arrived at Grafton. I am going to join it.”
The father lifted his head， looked at the son a moment in silence， and replied， “Go， Carter， and whatever may occur， do what you consider to be your duty. Virginia， which you betray， must get on without you. Should we both live to the end of the war， we will speak further of the matter. Your mother， as the physician has informed you， is in a most critical condition； at the best she cannot be with us longer than a few weeks， but that time is precious. It would be better not to disturb her.”
So Carter Druse， bowed to his father and left the home of his childhood. By conscience and courage， he was soon well received by his fellows and his officers； and it was to these qualities and to some knowledge of the country that he owed his selection for his present duty at the extreme post. Nevertheless， he fell asleep， exhausted. What good or bad angel came in a dream to awake him from his state of crime， who shall say？ He quietly raised his forehead from his arm and looked between the laurels.
His first feeling was a keen artistic delight. On the cliff was a statue of impressive dignity. The figure of the man sat on the horse， straight and soldierly. The face of the rider， turned slightly away； he was looking downward to the bottom of the valley.
Broad awake and keenly alive now， Druse cautiously pushed the gun forward through the bushes and covered a vital spot of the horseman's breast. A touch upon the trigger(扳机)and all would have been well with Druse. At that instant the horseman turned and looked in his direction-seemed to look
into his very face， into his eyes， into his brave heart.
Druse grew pale； he shook in every limb(四肢)，turned faint. His hand fell away from his weapon， his head slowly dropped until his face rested on the leaves in which he lay.
The duty of the soldier was plain—the man must be shot dead. But no—there is a hope； he may have discovered nothing—perhaps he is but admiring the beauty of the landscape. Druse turned his head and looked through the deeps of air downward. He saw some foolish commander was permitting the
soldiers to water their beasts in the open！
Druse withdrew his eyes from the valley and fixed them again upon the group of man and horse in the sky， and again it was through the sights of his gun. But this time his aim was at the horse. In his memory rang the words of his father， “Whatever may occur， do what you consider to be your duty.”
He fired.
Ten minutes had passed when a Federal officer crept cautiously to him. “Did you fire？” the officer whispered. “Yes.”
“At what？”
“A horse. It was standing on the rock， pretty far out. You see it is no longer there. It went over the cliff.”
The man's face was white， but he showed no other sign of emotion. Having answered， he turned away his eyes and said no more. The officer did not understand.
“See here， Druse，” he said， after a moment's silence，“it's no use making a mystery. I order you to report. Was there anybody on the horse？”
“Yes.” “Well？” “My father.”
( )61. What can we learn from the first paragraph？
A. The soldier was thought to be dead. B. The soldier was watching attentively. C. The soldier was punished for his crime. D. The soldier was sleeping on his duty. ( )62. What can be concluded from Paragraphs 2 and 3？ A. The father discouraged the son.
B. The son decided to fight for his belief.
C. Both the son and the father survived the war. D. The mother was critical about her son's decision. ( )63. Why did Carter Druse fire in the end？ A. He did his duty. B. He was cold-blooded.
C. He recognized the horse rider. D. He pulled the trigger accidentally. ( )64. The writer wrote this story mainly to show Ｗ. A. the greatness of the father B. the inner thoughts of a soldier C. the cruelty of the war D. the bravery of a soldier
D
When Stephen Dennis， a retired homebuilder in Bellevue， was raising his two sons in the 1980s， he never heard the phrase “screen time”， nor did he worry much about the hours his kids spent with technology. When he bought an Apple Ⅱ Plus computer， he considered it an investment in their future and encouraged them to use it as much as possible.
But things have changed with his grandkids and their Snapchat and Twitter. “It almost seems like an addiction，” said Mr. Dennis， “In the old days you had a computer and you had a TV and you had a phone but none of them were linked to the outside world but the phone. You didn't have this omnipresence(无所不在) of technology.”
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