皮皮学,免费搜题
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搜题
【判断题】
逆转录病毒侵染常常同时导致子代病毒的非致死释放和被侵染细胞内致癌的永久性基因改变。 ( )
A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【判断题】医生应当以疾病为中心,而不是以病人为中心。
A.
正确
B.
错误
【多选题】羊毛的种类可分为( )类型。
A.
同质毛
B.
异质毛
C.
粗毛
D.
细毛
【单选题】challenge
A.
竞争
B.
压力
C.
挑战
D.
机遇
【简答题】He had put the hat __and taken it off again three times.
【单选题】He had put the hat ______ and taken it off again three times.
A.
over
B.
in
C.
with
D.
on
【单选题】He had put the hat __________ and taken it off again three times.
A.
out
B.
off
C.
in
D.
on
【单选题】He had put the hat __________ and taken it off again three times.
A.
in
B.
on
C.
down
D.
form
【单选题】He had put the hat ( )and taken it off again three times.
A.
up
B.
on
【单选题】He had put the hat ( )and taken it off again three times.
A.
in
B.
at
C.
on
D.
with
【单选题】He had put the hat __________ and taken it off again three times.
A.
by
B.
up
C.
on
D.
aside