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【单选题】
肿瘤 合理应用抗菌药物A.
需要预防用抗菌药物
B.
治疗性应用抗菌药物
C.
不需要预防用抗菌药物
D.
预防性应用抗菌药物无效
E.
不宜常规预防性应用抗菌药物
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Peter was so angry at all ____ Mary was doing ___ he walked out.
A.
what; as
B.
what; that
C.
that; which
D.
that; that
【单选题】Mary went to the booking-office at lunch time, but all the tickets _____ out. [ ]
A.
would sell
B.
was selling
C.
had sold
D.
have sold
【单选题】Mary went to the box office at lunch time, but all the tickets __________ out.
A.
would sell
B.
had been sold
C.
have been sold
D.
was selling
【单选题】目前人类比较容易利用的淡水资源是( )。
A.
河水、浅层地下水、深层地下水
B.
河水、冰川、浅层地下水
C.
河水、浅层地下水、淡水湖泊水
D.
冰川水、浅层地下水、淡水湖泊水
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