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【单选题】
The unit used for combusting waste in engine room is called ( )A.
boiler
B.
Incinerator
C.
generator
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反馈参考答案：
举一反三
【简答题】《行行重行行》选自《古诗十九首初探》。体裁是 ,南朝 统合为一组,收 入《 文选》。
【简答题】Limited company means that any shareholder who has paid for the shares which he has bought cannot be forced to pay more money into the company.
【单选题】某吸附指示剂pKa= 5.0，以银量法测卤素离子时，pH应控制在：
A.
pH ＜ 5.0
B.
pH ＞ 5.0
C.
5.0 ＜ pH ＜ 10.5
D.
pH ＞ 10.5
【单选题】Our company will move to a tall building _______ we bought last month.
A.
which
B.
when
C.
how
D.
where
【单选题】Mr Chen complained about the ______ air-conditioner he bought from the company.
A.
inefficient
B.
defective
C.
ineffective
D.
deficient
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