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【单选题】
关于局麻药的说法正确的是A.
普鲁卡因穿透性强，表面麻醉效果好
B.
因穿透性强，表面麻醉效果好
C.
局麻药中加入少量肾上腺素目的是防止发生低血压
D.
局麻药更安全，过量也不会发生中毒
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举一反三
【单选题】-He made an apology ________ be blamed ________ what he had done. -It's really wise of him. [ ]
A.
so as to not; of
B.
in order not to; for
C.
as to not so; for
D.
in order not to; of
【单选题】Nobody knew that the reason______ he was often blamed. Perhaps that was______ he made the same mistakes told several times.
A.
which; because
B.
why; because
C.
that; that
D.
why; that
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