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【单选题】
The solenoid valve can be typed as a .
A.
thermal valve
B.
magnetic stop valve
C.
bellows valve
D.
bimetallic valve
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参考答案:
举一反三
【单选题】中药一级保护品种的保护期限可以为
A.
5年
B.
7年
C.
10年
D.
15年
【单选题】Most dictionaries will tell you a number of【21】about a language. There are three things in particular that【22】important. These three things are spelling, pronunciation, and meanings. The first and mos...
A.
books
B.
people
C.
things
D.
thing
【单选题】Directions: After reading the following passage, you will find a question or unfinished statement. For each question or statement there are 4 choices marked A, B, C and D. You should make the correct ...
A.
the importance of key employees
B.
how to challenge your employees
C.
how to keep your employees
D.
the difference between “push” and “pull”
【多选题】中药一级保护品种的保护期限为( )年。
A.
30
B.
20
C.
10
D.
7
【判断题】中药一级保护品种的保护期限分别为三十年、二十年、十年。( )
A.
正确
B.
错误
【判断题】当代战争的决定因素是高科技武器。
A.
正确
B.
错误
【单选题】Why can' t we provide as many houses as needed?
A.
Because we cannot make the choice.
B.
Because we do not have enough resources.
C.
Because we do not have a free housing market.
D.
Because education is more important than housing.
【单选题】In the present economic ______ we cannot make even greater progress than previously.
A.
air
B.
area
C.
climate
D.
mood
【单选题】中药一级保护品种的保护期限为
A.
7年
B.
8年
C.
9年
D.
10年
【多选题】冷兵器时代,战争的决定因素是: 和 。
A.
国人数目
B.
战争成本
C.
战争意愿
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