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【单选题】
给小儿添加鱼肝油的时间是A.
生手即给予
B.
出生2～4
C.
1～3个月
D.
4～6个
E.
7～9个月
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举一反三
【简答题】选词填空。 my your — Who is ___________ friend? — Fengfeng is ___________ friend.
【简答题】( ) had two wheels set at a 90- degree angle to each other to keep track of the movement.
【单选题】If people cutting down the forest, they will have nowhere . [ ]
A.
keep; to live in
B.
will keep; t o live in
C.
keep; to live
D.
will keep; to live
【单选题】When jacked from the strut, to keep the aircraft from moving while it is on the jack, the wheels that are not jacked should be securely ().
A.
jacked
B.
extended
C.
chocked
D.
retracted
【单选题】The four-wheeler was lost to sight, the sound of the slow wheels ().
A.
died away
B.
died off
C.
dying away
D.
dying off
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