由于()的原因造成的工期的拖延,承包商不仅能得到工期的延长,而且还能得到相应的费用补偿。
A、工人罢工
B、特殊反常的天气
C、政府的经济制裁
D、业主
E、工程师
参考答案:D, E
做Valsalva动作时,哪种杂音增强
A.二尖瓣狭窄
B.肥厚型梗阻性心肌病
C.二尖瓣关闭不全
D.主动脉瓣狭窄
E.主动脉瓣关闭不全
根据句意和首写字母补全单词。
小题1:You must be c______ when you cross streets. There are too many cars.
小题2:Our class is organizing a talent show to r_______ some extra money for charity.
小题3:If you go aboard alone, you will m______ your family.
小题4:Would you mind c_____ the dinner?
小题5:I saw someone cooking in the k________ when I passed it.