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下图所示主要为发动机的 系统, A 为 , B 为 。
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【单选题】Female soldiers cried ______they left their drill camps on the outskirts of Beijing on October 5, 2009.
A.
while
B.
before
C.
until
D.
as
【单选题】患者，女，50岁。诊断为“细菌性痢疾”。护士测量口腔温度时得知其5分钟前饮过开水，为此应
A.
暂停测一次
B.
改测直肠温度
C.
参照上次测量值记录
D.
嘱其用冷开水漱口后再测量
E.
告知患者30分钟后再测口腔温度
【单选题】Has John ____ Beijing _____ Shanghai?
A.
leaving; to
B.
left; to
C.
left; for
D.
leaving for
【简答题】B:Nothing special.
【单选题】Was it on that morning _____ you left for Beijing _____ he discovered our secret? [ ]
A.
that; where
B.
which; that
C.
when; that
D.
that; when
【单选题】He ___ Beijing for a long time.
A.
has been away
B.
has left
C.
has been away from
D.
left
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