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【单选题】
关于月季生态习性描述不正确的是()A.
喜阳光充足，通气良好，每天保证5小时直射光才能生长良好。
B.
喜温暖湿润，冬季不耐低温，低于 10℃停止生长 ，但夏季耐高温。
C.
土壤要求pH6-7为宜。在微酸性、中性和微碱性土壤中均能生长良好。
D.
水分要求最适宜的相对湿度为75-80％。
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【单选题】Si nous sommes en difficulté, il nous_________.
A.
secourra
B.
secourira
C.
secourrait
D.
secourirait
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【单选题】It is difficult for a teacher to give attention to children in a large class．We should reform the situation in order to meet each child’s needs．
A.
private
B.
personal
C.
individual
D.
single
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【单选题】The word 'fix' in 'you are caught in a fix' in paragraph 1 refers to ______.
A.
difficult situation
B.
your preference of one choice
C.
what is left behind
D.
two things are to be done at the same time
【简答题】During the 19th century, natural gas was used on a local scale because of the difficult situation in___________.
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