变压器具有瞬时过负荷的能力,X线机供电变压器的容量一般是计算容量的()
A.1/6
B.1/5
C.1/4
D.1/3
E.1/2
参考答案:E
When he opened the box, it ____________ a bad smell.
A.gave away
B.gave in
C.gave out
D.gave up
用所给词的适当形式填空(10小题*1=10分)
小题1:Do you think watching too much TV is useful? No, I think it is (use).
小题2:It is one of ______(famous)parks in the world.
小题3:You can learn English by (test) your knowledge of grammar and vocabulary.
小题4:A lot of trees ________ (plant) on March 12th every year.
小题5:What a pity! The tickets of the concert (sell) out yesterday.
小题6:“We are proud of your_____________(successful), Daniel.” said father.
小题7:These clouds were so beautiful that I could not stop (take)photos
小题8:Your mother _____________(get) everything ready for you , hasn’t she?
小题9:He (be) ill for three days.
小题10:He made a _______________(decide) not to go there this week.