皮皮学，免费搜题
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【单选题】
婴儿缺乏维生素A，主要表现为皮肤干燥、()、夜盲畏光等。A.
血色素低
B.
口唇干裂
C.
角膜溃疡
D.
夜里时常惊醒
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举一反三
【单选题】—Where are his parents from? —They ________ from Nanjing. [ ]
A.
are both
B.
both are
C.
are all
D.
all are
【单选题】His English is improving _______, which makes both his parents and his teacher happy.
A.
now and then
B.
little by little
C.
sooner or later
D.
one after another
【简答题】0胎儿血红蛋白是指
【单选题】He loves his parents deeply, ________ are very kind to him.
A.
both of them
B.
both of who
C.
whom
D.
both of whom
【单选题】The __________ of his books among parents and the recommendation of experts both at home and abroad have quickly made him a celebrity educator.
A.
similarity
B.
popularity
C.
personality
D.
possibility
【单选题】Both his parents died in a traffic accident when he was a baby, so he was ______by his grandma. [ ]
A.
brought about
B.
brought up
C.
brought in
D.
brought down
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