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【单选题】
胃癌血道转移最常累及的脏器是A.
肝
B.
脑
C.
肺
D.
肾
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反馈参考答案：
举一反三
【单选题】If you don't want to fall behind others, you must _____ current events. [ ]
A.
keep track of
B.
keep track
C.
keep touch with
D.
keep in touch
【简答题】Affixes can fall into prefixes and ________.
【判断题】Of some prefixes, un - is by far the most productive, and it typically involves less lexicalization than other prefixes.
A.
正确
B.
错误
【单选题】2) The controller clears Qantas 10 to cross Runway 09:
A.
right and line up at Runway 09 left.
B.
left and hold at Runway 09 right.
C.
right and hold at Runway 09 left.
D.
left and line up at Runway 09 right.
【单选题】In the northern hemisphere, an aircraft is flying at 10,000ft ASL on a track of 185°. In order to maintain this track, the pilot is steering a heading of 200°. An area of low pressure exists .
A.
behind the airplane
B.
to the right of track
C.
ahead of the airplane
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