【单选题】熔断器在电动机的控制线路中能起到什么保护作用()
【单选题】Excel2000编辑栏中的“×”表示【】
【简答题】Excel编辑栏中的“×”表示( )。A. 公式栏中的编辑有效,且接收 B. 公式栏中的编辑无效,不接收 C. 不允许接收数学公式 D. 无意义
【单选题】be in line for sth.
A.
develop sth. new, esp. a strong relationship with other people, groups or countries
B.
the conditions that affect what happens or how st. reacts in a particular situation
D.
a good and acceptable reason for doing sth.
【单选题】build [sth.] up
A.
increase [sth.] slowly
【单选题】听力原文:W: Robert, this bicycle would be good for racing and it isn't very expensive. M: Yes, but my daughter needs a lighter bike to use when she goes to school. What does Robert's daughter do?
【单选题】manage to do sth.
B.
try to do sth. successfully
【单选题】pick out sth.
B.
make small holes in sth.