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【单选题】
铅进入人体的途径主要是
A.
呼吸道
B.
皮肤
C.
粘膜
D.
消化道
E.
血液
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参考答案:
举一反三
【单选题】We have lots of food ________ dinner. [     ]
A.
in
B.
at
C.
for
D.
on
【单选题】There _____ lots of food on the table. [     ]
A.
am
B.
is
C.
be
【单选题】People like _________ healthy food. [     ]
A.
many
B.
lots of
C.
a
【单选题】When I was only a child,my mother said that the earth ________ bigger than the moon. [     ]
A.
was
B.
were
C.
had been
D.
is
【单选题】There _________ lots of healthy food on the table. [     ]
A.
have
B.
has
C.
are
D.
is
【判断题】The sailor's mother said that she had kept the tea water.
A.
正确
B.
错误
【判断题】悦动轿车开远光灯时,只有远光灯点亮;开近光灯时,远近光灯同时点亮。
A.
正确
B.
错误
【单选题】Maggie has ______ food for breakfast. [     ]
A.
lots
B.
lots of
C.
a lot
【判断题】OUT和RST 指令,都可控制线圈的输出,它们的输出的结果一样。
A.
正确
B.
错误
【单选题】Mr White eats _______ healthy food every day. [     ]
A.
lots of
B.
a lot
C.
a lots of
D.
many
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