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第1题

一悬臂梁的刚度为EI，C截面的转角与B截面相等 × √
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第2题

The most favorite room is the tidy study with a fireplace, we can watch TV and enjoy the nice scenery outside. A、 where
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第3题

—You___________ stop me. —Even if you __________it, I won’t allow you to swim across the river. A、 mustn’t; dare not do
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第4题

For many Beijing-ers, dreams of living in ___________ green area are becoming___________ reality. A、 . a; a B、 the; th
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