2019עһʦù̹ʵ
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1.ʱ䣺180ӣΪ160֡
2.ȫ⣬ѡ⡢ѡͰ⡣
3.ѡͶѡʱ2BǦڴͿѡѡ 4.ʱúɫīˮڴָλ :_________ :_________
һѡ⣨20⣬ÿ1֡ѡУֻ1⣩
1۵ʩϰʱɸıΧṹǣ A.ְ B.ʽֹ C.ʽǽʽ D.Ԥƻ
2еľ··Եļ࣬Ӧڣ m A.0.5 B.0.8 C.1.0 D.1.2
3Ӧòбķѡ̣ҵʣƷ֤г֤
1 ҳ 17 ҳ
AƷϸ֤ BƷ˵ CƷ鱨浥 DƷʸ
4ڣ ĵ¹ߡ湹ƶӦԤ A.С߶Σ B.Σ C.Σʩȫ D.ʩӰ
5ڻ()ӵػУֻɰϵɰ϶ʯעǣ A綯ѧע Bѹע Cע Dע
6ϵʱ䲻˳ h A.8 B.12 C.24 D.36
7ýĻݷӦ ҧڣӦ A.ӣ B.ӣ C.ӣ D.ӣ
2 ҳ 17 ҳ
8캸ӦڽУʪȲ˸ڣ A.50% B.60%
C.70% D.80%
9ܷͨ˹УƫƫΪ A5~10mm B30~40mm C20~30mm D10~20mm
10ԤӦˮصʩ˵ǣ
A.ǰӦе繤ȹ쳤ֵ֤ B.ԤӦĵģƼ
C.쳤ֵƫó6%ȴﵽ涨쳤ֵê D.ظʱͬһֽظó3
11ŷԤӦʩԤӦͬӦڸֽǼɺһλλ ʹã ֽģиӡ
A.绡 B.Ѻ C.㺸 D.Ժ
12êڷʩṹʱ˲õʩΪ
Aȫ淨 B̨ Cڵӷ
3 ҳ 17 ҳ
D
13ؾ200mmľУֲǣ
A.ľ B. C. D.
14гˮ·ѧΪ
Aνϴǿȴ BνϴǿС CκСǿȴ DκСǿС
15赥λӦԹ̿պϸ֮ dڣաݽ̺ʩ̿ձа취Ĺ涨ڵصؼϵطܲű
A7 B14 C15 D30
16˫̧ҵʱӦѡƵ_ػÿ̨ػغɲó غɵģ ʩб뱣̨ػͬҵ
A. 90% B. 80% C. 60% D. 70%
17ԺõУȡ עʽ
A.ʱ
4 ҳ 17 ҳ