卷扬机从卷筒中心线到第一个导向滑轮的距离,无槽卷筒应大于卷筒宽度()倍。
A、20
B、15
参考答案:A
----Mary said she was tired of studying English
.----It isn’t like her ______like that .
A.to say anything
B.to have said anything
C.have said something
D.say anything
西欧国家走向联合的主要原因是
A.欧洲有着共同的文化遗产和心理认同感
B.欧洲国家之间冲突和战争不断的教训
C.发展西欧资本主义,抵制苏联的影响
D.欧洲国际地位下降,联合有利于抗衡美苏