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【多选题】
已知组合体三视图,该组合体主视图采用全剖视图的原因为( )A.
内部结构需要表达
B.
外部结构比较简单
C.
俯视图前后结构对称
D.
左视图前后结构对称
E.
主视图上下结构对称
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【简答题】A bus stops at a small bus stop. A man is hungry and he wants to buy some cakes. It’s raining hard. He doesn’t want to go out in the rain. He sees a boy. “Come here, boy!” he cries. “ Do you know how ...
【单选题】______ what was going to happen, I would never have left her alone.
A.
Had I known
B.
If I know
C.
If I knew
D.
If had I known
【简答题】临床上常用的升压药是 ,临床上常用的强心药是 。
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【简答题】A bus stop at a small bus stop.A man is hungry and he wants to buy some cakes.It’s raining hard,he doesn’t want to go out in the rain.He sees a boy. “Come here boy!”he cries. “Do you know how much the...
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