问题
单项选择题
某压力容器的压力等级代号为M,则此压力容器为()。
A.低压容器
B.中压容器
C.高压容器
D.超高压容器
答案
参考答案:B
某压力容器的压力等级代号为M,则此压力容器为()。
A.低压容器
B.中压容器
C.高压容器
D.超高压容器
参考答案:B
阅读理解。 | |||||
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1. The person who teaches computer is from ________. | |||||
A. Hangzhou B. Australia C. America D. Ningbo | |||||
2. If you want to stay cool in hot summer and have a good time in water, you can go to the class from ________. | |||||
A. 3:00 pm - 5:00 pm on Sun. B. 2:00 pm - 4:00 pm on Wed. and Fri. C. 9:00 am - 11:00 am on Thurs. D. 10:00 am - 11:00 am On Mon. and Tues. | |||||
3. When is the Children's Training Center not open? | |||||
A. Thursday B. Tuesday C. Friday D. Saturday |