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【判断题】
坚持总体国家安全观,是以政治安全为宗旨。A.
正确
B.
错误
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举一反三
【多选题】U2_2_1.wmv watch the video clip and check( √) the topics that are mentioned.
A.
the defination of an e-book
B.
when e-books were invented
C.
the advantages of e-books
D.
the users of e-books
E.
the disadvantages of e-books
F.
the popularity of e-books
【简答题】B2U1 VIDEO_x2.wmv Watch the video. Check the ( √ )correct answer. Benifits of solar ovens Health Environment 1. You don't have to cut down trees. 2. African women don't have to walk a long way to co...
【判断题】U1-1.wmv (视频同上题) Watch Conversation 1 again and check the true statements according to the clip. 2. Janet plans to go back to China and become a teacher.
A.
正确
B.
错误
【多选题】U2_2_1.wmv watch the video clip and check( √) the topics that are mentioned.
A.
the definition of an e-book
B.
when e-books were invented
C.
the advantages of e-books
D.
the users of e-books
E.
the disadvantages of e-books
F.
the popularity of e-books
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