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【简答题】
肺结核大咯血首选的药物是 __
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Different companies _____ different products.
A.
sparkle with
B.
speculate on
C.
specify about
D.
specialize in
【简答题】When manufacturing many different products，people commonly use natural gas______．
【单选题】According to the specifications, the two products are intended for two different uses, though at first glance they look ______ identical.
A.
near
B.
nears
C.
nearing
D.
nearly
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