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【判断题】
膳食中存在的草酸、植酸、鞣酸以及抗坏血酸等均会降低铁的吸收率。 ( )A.
正确
B.
错误
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【简答题】选词填空time for reach for at the moment team invite appetite come across put up pastime beware 1.The 2008 Beijing Olympic s were such a good _____________ the world to know more about China. 2.Sorry,...
【单选题】To keep the aircraft from moving while it is on the jack， the wheels that are not jacked should be securely ____________.
A.
blocked
B.
clogged
C.
chocked
D.
stopped
【简答题】Patricia Blues, 29, has a new aim in life: to keep drivers' hands on their steering wheels and off their cell phones. On November 2, 2007, Blues lived through a horrible experience. A motorist dialing...
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