圆锥的母线长为13cm,底面半径为5cm,则此圆锥的高为 [ ]
A.6cm
B.8cm
C.10cm
D.12cm
答案:D
第二部分:短语填空(每空0.5分,共10分)
小题1:Is it true that all the theories should be ______ ______ facts?
小题2:I don’t think it was an accident at all. Your brother did it ______ ______.
小题3:The open-air celebration(庆祝会)has been put off ______ ____the bad weather .
小题4:If no better plan______ ______(提出), we will have to carry out the present one.
小题5:Some animals ______ ______ the tiger, the lion and the wolf are meat-eaters.
小题6:Though she was ill that day, she was the first to come to school ____ ____(照常)
小题7:He ______ ______(经历) great pains during his childhood.
小题8:A teacher who doesn’t ______ ______(关心)students is not a good teacher.
小题9:The UN is ______ an important part ______ international relations(国际关系).
小题10:At present,we should ______ full use _______ our time to study.
建设单位决策建设某一通信工程,在编写完通信建设工程监理招标书后,进行邀请招标时,至少邀请()个以上具有相应资质的监理单位参加议标,最终确定该通信工程的监理单位。
A.2
B.3
C.4
D.5