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【判断题】
对称结构分子,如H2O分子,没有红外活性( )A.
正确
B.
错误
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举一反三
【单选题】The stubborn young man did not follow the advice that he ______ on his behavior. since he refused to believe he had done anything wrong.
A.
reflect
B.
had reflected
C.
would reflect
D.
must reflect
【判断题】一公司话费20万元买一部机器,这部机器预期可以使用5年,且只能生成一种商品。这部机器一旦安装在厂房后,便不能移动拆卸,也不能作其他用途,而且无任何二手或转售价。对该公司而言,一旦装置该部机器后,每年的使用成本为4万元。
A.
正确
B.
错误
【简答题】平面与圆柱相交,根据平面与圆柱轴线的相对位置不同,其截交线可有三种情况:(1)圆(2)平行两直线 (3)〔 〕
【简答题】What do you plan_________(be) in the future?
【单选题】—What do you plan to do __________ the weekend? —I plan to go shopping __________ Sunday [ ]
A.
on, at
B.
in, on
C.
at, on
【单选题】The stubborn young man did not follow the advice that he () on his behavior since he refused to believe he had done anything wrong.
A.
would reflect
B.
must reflect
C.
had reflected
D.
reflect
【单选题】The stubborn young man did not follow the advice that he ___ on his behavior since he refused to believe he had done anything wrong.
A.
reflect
B.
would reflect
C.
must reflect
D.
had reflected
【单选题】The advice that he ___ just now is that I ___ abroad for further study.
A.
give; go
B.
gave; go
C.
should give; went
D.
gave; went
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