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【单选题】
特发性血小板减少性紫癜的主要发病机制是A.
血小板功能异常
B.
巨核细胞数量减少
C.
血管脆性增加
D.
雌激素抑制血小板生成
E.
病理性免疫产生抗血小板抗体
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举一反三
【单选题】The countries that took part in the opening ceremony were arranged in the alphabetical ______ of their English names.
A.
series
B.
sequence
C.
succession
D.
progression
【单选题】In order to raise the efficiency of the water supply, measures should be taken to ______.
A.
guarantee full protection of the environment
B.
centralize the management of water resources
C.
increase the sense of responsibility of agencies at all levels
D.
encourage local and regional of water resources
【单选题】. -I hear Huang Gang made an English speech at the graduation ceremony yesterday. -______ , and ______.
A.
So he did, so did I
B.
So did he, so I did
C.
So he was, so was I
D.
So was he, so I was
【单选题】—I hear Huang Gang made an English speech at the graduation ceremony (典礼) yesterday. — , and .
A.
So he did, so did I
B.
So did he, so I did
C.
So he was, so was I
D.
So was he, so I was
【简答题】儿童美术按照创作类型分为 、 和 。
【单选题】—I hear Yang Yan made an English speech at the graduation ceremony yesterday． —____
A.
42． —I hear Yang Yan made an English speech at the graduation ceremony yesterday． —__________and____________ ． A． So she did so did I
B.
So did she so I did
C.
So she was so I was
D.
So was she so I was
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