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【简答题】
动物性食品污染是指
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反馈参考答案：
举一反三
【简答题】学习课程内容,写出跨境电商的定义和目前发展的特点
【多选题】You write a cover letter when ___________.
A.
submitting a paper to a conference or a scientific journal
B.
applying for a position
C.
inviting an expert to an academic conference
D.
applying for an academic program
【单选题】Three short paragraphs are quite()when you write a cover letter.
A.
sufficient
B.
efficient
C.
deficient
【简答题】Compare
the following two paragraphs, which one do you think better, and explain your reasons. A When
a person has something in his air passage which causes severe congestion, a potential method you ...
【单选题】Heimlich maneuver is most probably a topic for speeches about _______.
A.
objects
B.
processes
C.
s
D.
concepts
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