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【多选题】
将具有粗糙表面结构的磁性木材修饰后,可得到有( )性能的磁性木材。
A.
超疏水
B.
变色
C.
抗紫外老化
D.
轻柔
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【判断题】客人提出要在房间内用餐,地陪应尽量劝其到指定餐厅用餐。
A.
正确
B.
错误
【单选题】Response Time is Critical You, yes you, are responsible for ensuring that you are an interesting, fun person to have【C1】______ , for being a positive player in the of life. No matter what your le...
A.
for
B.
around
C.
in
D.
on
【单选题】Response Time Is Critical You, yes you, are responsible for ensuring that you are an interesting, fun person to have 【C1】______ , for being a positive player in the of life. No matter what your l...
A.
for
B.
around
C.
in
D.
on
【多选题】火车运输的优点有( )。
A.
运输能力强
B.
安全省时
C.
舒适性强
D.
环境污染小
E.
长途运输成本低
【单选题】. Each of you ______ responsible for the accident.
A.
am
B.
be
C.
is
D.
Are
【单选题】You are responsible for the work_______.
A.
for a whole
B.
on the whole
C.
as a whole
D.
on a whole
【多选题】以下哪些因素与血液在人体中流动相关
A.
心脏的收缩
B.
房室瓣启闭活动
C.
血液中细胞的游动
D.
心脏的舒张
E.
半月瓣的打开与关闭
【多选题】火车运输的优点有( )。
A.
运输能力强
B.
安全省时
C.
舒适性强
D.
长途运输成本低
E.
环境污染小
【单选题】________ you are responsible for the information, you must be very careful.
A.
Unless
B.
While
C.
Since
D.
Though
【单选题】血液能不停地在血管、心脏组成的封闭的管道内循环流动,其动力来自(  )
A.
心脏有节律的收缩和舒张
B.
动脉的收缩和舒张
C.
静脉的收缩和舒张
D.
骨胳肌的收缩和舒张
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