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【简答题】
起动机主要由( )、传动机构和( )三部分组成。
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【简答题】We gave out a cheer when the red roof of the cottage came __________ view. A) from B) in C) before D) into
【简答题】We gave out a cheer when the red roof of the cottage came __________ view. A) from B) in C) before D) into
【单选题】According to the article, when a homeowner puts in a solar roof, her worries about blackouts or power rates might be over. Why might that be true?
A.
Solar power may be less expensive and more reliable than power supplied by utility companies.
B.
Her roof won't leak with the heavy solar panels on top of the roof.
C.
Putting in a solar roof is still an expensive preposition.
D.
Super-efficient appliances use less electricity than regular appliances.
【单选题】Look, this roof is covered with____________leaves.
A.
falling
B.
fallen
C.
fell
D.
felt
【简答题】The p______( 答应 )that the roof should be repaired within two days.
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