2013年学位英语考试模拟题(B)卷(2)

18．In Britain，the Prince of Wales is to the throne．

A．advisor B．heir C．owner D．protector

19．She is now in of happiness with her family members．

A．closure B．pursuit C．credibility D．phenomenon

20．The government has decided to reduce a(n) on all imports．

A．exposure B．tariff C．fee D．service

Part II Reading Comprehension (40 points)

Direction: There are twenty incomplete sentences in this section. For each sentence there are four choices marked A, B, C and D. Choose the ONE answer that best completes the sentence. Then mark the corresponding letter in the Answer Sheet One with a single line through the center. Passage 1

Ants are great athletes in proportion to their size．They can lilt a weight four hundred times their own weight．Theoretically a five-pound ant could easily lilt a ton．

The most skillful farmers in the insect world are the small，heavily armored parasol ants． They work at night and it is nothing for them to strip a large tree at a time，marching off with bits Of leaf held over them like parasols．

Surprisingly enough，these ants do not eat the vegetation they got．Rather they use it as raw material for their remarkable underground gardens，which they tend themselves．The shreds of the leaves are literally chewed into a rich compost which is used to strengthen the garden where a thread-like fungus is cultivated．This species of fungus is their only source of food．

Included in the extraordinary parasol ant society are tiny garden workers，and slightly bigger workers who dig the interconnecting chambers of the hive．The parasol queen ant, more than one hundred times me size of the garden workers，is waited upon hand and foot by hundreds of her citizens．

21．An ant is very strong in proportion to its weight．Ants call lift a weight .

A．300 times their own weight

B．600 times their own weight

C．five-pound more than their own weight

D．400 times their own weight

22．In a short time，they call strip a tree of all its leaves in order to make a

A．home for the queen ant

B．compost for their gardens

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