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【单选题】
自然失业率一般是指( )A.
0%
B.
1-3%
C.
4-6%
D.
小于10%
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反馈参考答案：
举一反三
【单选题】将一个应用程序窗口最小化,表示( )
A.
终止该应用程序的运行
B.
该应用程序转入后台但不再运行
C.
该应用程序转连入后台并继续运行
D.
该应用程序窗口缩小为桌面上(不在任务栏中)的一个图标按钮
【简答题】Cherries are my favourite fruit. They are rare at the time of the year.
【单选题】Dolphins once were hunted for money because______.
A.
they are rare and precious animals
B.
valuable oil can be obtained form. their head
C.
they can produce oil for lubrication
D.
they are able to utter sounds worth study
【简答题】When they went on a long journey through the wood, they (find) many rare trees.
【单选题】According to this passage, turtles are of great importance in China because they are
A.
rare
B.
the most expensive in food markets
C.
imported into China
D.
used to cure certain diseases
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