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【单选题】
When 32.0 grams (g) of methane are burned in 128.0 g of oxygen, 88.0 g of carbon dioxide and 72.0 g of water are produced. Which law is this an example of? (a) Law of Definite Proportions (b) Law of Conservation of Mass or (c) Law of Multiple Proportions.A.
Law of Definite Proportions
B.
Law of Conservation of Mass
C.
Law of Multiple Proportions
D.
None of above
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举一反三
【单选题】The department is (hiring/firing) employees who are performing badly.
A.
hiring
B.
firing
【判断题】The business hiring a new marketing director who is confidently expected to increase profits by over 30 per cent over the next three years.
A.
正确
B.
错误
【简答题】You will look at the legal aspects of hiring equipment.
【简答题】A．hire B．hires C．hiring
【单选题】A: Actually, _______ wrong there... (contradicting someone)
A.
B.
Wrong? No, I'm sure the rate of growth slowed down to 1.5 per cent in the last quarter.
【单选题】•Read the article below about the importance of hiring right people． •Choose the correct word to fill each gap from A．B or C on the opposite page． •For each question 29-40，mark one letter(A，B，or C)on ...
B.
to
C.
in
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