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【单选题】
word中，在“设置图片格式”对话框的“大小”选项卡里，下列叙述不正确...的是 ( )A.
“尺寸和旋转”区的“”和“宽度”用厘米数表示
B.
“缩放”区的“”和“宽度”用百分比数表示
C.
“原始尺寸”区的“重新设置”按钮，可以恢复图片原来尺寸
D.
选中“锁定纵横比”后，可以任意调整图片的高度和宽度，不受原始比例限制
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【单选题】—The shoes are very nice. I'll take them. —But you must _____ first. I think the size is a bit smaller for you. [ ]
A.
pay for them
B.
try them on
C.
put them on
D.
take them off
【单选题】The number of red-crowned cranes is getting ___________.
A.
small and small
B.
little and little
C.
smaller and smaller
D.
less and less
【单选题】The population of China is _____ than that in Australia. [ ]
A.
far more
B.
much larger
C.
much smaller
D.
far less
【单选题】The number of pandas(熊猫) becoming .
A.
is more and more
B.
are less and less
C.
is smaller and smaller
D.
are fewer and fewer
【单选题】According to the talk, what did David Sarnoff predict about radios?
A.
They would get smaller in size.
B.
Their signals would travel further.
C.
They would become less popular than television.
D.
They would be common household items.
【单选题】单级萃取的萃取率（理论收率）是指（ ）。
A.
萃取相中溶质的总量比萃余相中溶质总量的百分数
B.
萃取相中溶质的总量占原料液中溶质总量的百分数
C.
萃余相中溶质的总量占原料液中溶质总量的百分数
D.
萃余相中溶质的总量比萃取相中溶质总量的百分数
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