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【判断题】
土壤气土壤肥力的因素之一。A.
正确
B.
错误
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】While you are hurrying to the airport, _____ in a heavy traffic jam in a taxi is quite an unpleasant experience. [ ]
A.
having caught
B.
being caught
C.
caught
D.
having been caught
【多选题】锉削时锉刀的握法是( )。
A.
右手紧握锉刀柄，柄端抵住在姆指根部的手掌上
B.
右手大姆指放在锉刀柄上部，其余手指由下而上地握着锉刀柄
C.
左手的基本握法是将姆指的根部肌肉压在锉刀的头上，其余四指弯向手心
D.
用左手中指.无名指捏住锉刀前端
E.
右手推动并决定推动方向，左手协同右手使锉刀保持平衡
【简答题】请观看上面一段视频,分析锉削的姿势是否正确。可从锉刀握法,姿势动作,锉削时两手的用力和锉削速度以及锉削时的文明生产和安全生产知识来分析。
【单选题】Yesterday he was( ) a heavy traffic jam.
A.
caught up in
B.
catch up in
C.
reserved for
D.
shielded from
【单选题】________in a heavy traffic jam in a taxi while you are hurrying to the airport is quite an unpleasant experience．
A.
Having caught
B.
Being caught
C.
Caught
D.
Having being caught
【单选题】_______a heavy traffic jam on the highway, the taxi driver had to take a different route
A.
Having
B.
It had
C.
There was
D.
There being
【单选题】— You are late again, Tom? — Sorry, but I got _____ a heavy traffic jam. [ ]
A.
caught in
B.
taken in
C.
put off
D.
held by
【单选题】________ in a heavy traffic jam is quite an unpleasant experience. [ ]
A.
Caught
B.
Having caught
C.
Being caught
D.
To catch
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