第1题:
A、Happy birthday
B、Merry Christmas
C、Congratulations
D、Have a good day
第2题:
-It's very kind of you to help me with my English.
-________.
A、Never mind
B、Not at all
C、That's all right
D、You're so welcome
第3题:
A.shortsighted
B.farsighted
C.sharp
D.big
第4题:
第5题:
Which of the following statements is correct regarding an oil with a high viscosity index?
A.A large change of viscosity occurs with a minor change in temperature
B.No change in viscosity occurs with any change in temperature
C.Very little change in viscosity occurs with a significant change in temperature
D.The viscosity of the oil increases with an increase in temperature
第6题:
A、in common
B、share
C、same
D、different
第7题:
A.It's very kind of you.
B.No problem.
C.You are welcome.
D.Not at all.
第8题:
24. When you do scuba diving, you can ________.
A. stay in deep water for a long time
B. dive very, very deep
C.live in deep water easily
D. dive freely without any dangers
第9题:
Cloud formations are minimal when the ______.
A.surface temperature and temperature aloft are equal
B.surface temperature and temperature aloft differ greatly
C.barometric pressure is very low
D.relative humidity is very high
第10题: