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【单选题】
.将药物制成注射用无菌粉末的原因主要是 A 药物遇水、热不稳定 B 原料药质量不好 C 注射剂量过大 D 药物刺激性过大A.
1
B.
1
C.
1
D.
1
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举一反三
【单选题】下列关于空心砌块砌体施工的说法错误的是（ ）。
A.
普通混凝土小型空心砌块砌体，不需要对其洒水湿润
B.
对轻骨料混凝土小型空心砌块，应提前浇水湿润
C.
小砌块表面有浮水时可以砌筑施工
D.
小砌块墙体应孔对孔、肋对肋错缝搭砌
【单选题】听力原文： Captain Joseph Mackey's airplane was flying over the ocean on its way to Great Britain when engine trouble started. He turned back and made a crash-landing at night in the deep snow of Newfoundl...
A.
No fuel.
B.
Ice on the wing.
C.
Engine trouble.
D.
No food.
【单选题】听力原文： Captain Joseph Mackey's airplane was flying over the ocean on its way to Great Britain when engine trouble started. He turned back and made a crash landing at night in the deep snow of Newfoundl...
A.
No fuel.
B.
Ice on the wing.
C.
Engine trouble.
D.
No food.
【简答题】若使摩擦轮传动能够正常工作,必须使两轮之间产生的 足以克服从动轮上的 。
【单选题】Twenty-six journalists from 19 media organizations of different countries and regions are the first ones_______ the unrest of “the Red-shirts” in Tailand capital.
A.
covered
B.
covers
C.
to cover
D.
covering
【单选题】听力原文： Captain Joseph Mackey's airplane was flying over the ocean on its way to Great Britain when engine trouble started. He turned back and made a crash-landing at night in the deep snow of Newfoundl...
A.
No fuel.
B.
Ice on the wing.
C.
Engine trouble.
D.
No food.
【单选题】Captain Sentry retired to the country because he was ______.
A.
bitter about his rank
B.
Sir Roger's heir
C.
too modest to be noticed by his superiors
D.
accustomed to obeying people above him
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