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【单选题】
Because the shop _______, the T-shirts are sold at half price. [ ]A.
has closed down
B.
closed down
C.
is closing down
D.
had closed down
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反馈参考答案：
举一反三
【简答题】蛋白质的元素组成中,_____元素比较恒定,平均含量为____。通过蛋白质的含量=___________,可计算出样品中蛋白质的含量。
【单选题】There have been few long-term studies about....
A.
Introduction
B.
Method
C.
Results
D.
Discussion
【单选题】In a presentation, “Today I am going to talk about....” is an example of ___________.
A.
outlining the main points
B.
introducing yourself
C.
stating your topic
D.
greeting you audience
【简答题】There have been few long-term studies about....
【简答题】V. try to find out information about....
【简答题】蛋白质的元素组成中,_____元素比较恒定,平均含量为____。通过蛋白质的含量=___________,可计算出样品中蛋白质的含量
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