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【单选题】
甲烷分子中的H-C-H键角为( )。
A.
90°05′
B.
100°08′
C.
109°28′
D.
78°25′
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举一反三
【判断题】“兴”作动词时,有启发的意思,还是读“xìng”。
A.
正确
B.
错误
【单选题】Our decision on whether to boost our long or short positions _______ on any change in the direction of the market, usually driven by the demands.
A.
was depended
B.
depend
C.
depends
D.
depending
【单选题】3D打印属于下列哪种制造方式的范畴?
A.
减材制造
B.
增材制造
C.
等材制造
D.
激光制造
【单选题】鸠尾固位的峡部具有
A.
扣锁作用
B.
美观作用
C.
少磨牙体
D.
对称协调
E.
机械固位
【单选题】I’ll_____his reputation among the business in the community, and then make a decision whether or not to approve a loan.
A.
take care of
B.
take into account
C.
take notice of
D.
put up with
【单选题】Mr. Thompson was very uncertain ______whether it was the right decision in teaming up with his coworker, Mr. Barns.
A.
for
B.
if
C.
as to
D.
even though
【多选题】餐厅家具必须根据餐厅的经营特点和装潢格调进行选择。餐厅家具主要指().
A.
餐桌、餐椅、工作台等
B.
厨具、灶具等
C.
沙发、橱柜等
D.
写字、办公桌等
【多选题】餐厅家具必须根据餐厅的经营特点和装潢格调进行选择。餐厅家具主要指()。
A.
餐桌、餐椅、工作台等
B.
厨具、灶具等
C.
沙发、橱柜等
D.
写字台、办公桌等
【单选题】Decision on whether the message is right or wrong should at least come after _____what the message is.
A.
putting out
B.
turning out
C.
working out
D.
running out
【单选题】Before making the final decision of whether or not to buy shopping goods, a customer has to visit various shops to gather information.
A.
Right
B.
Wrong
C.
Not mentioned
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