单项选择题

检查脊柱的正确体位是：

A．站立位或坐位
B．仰卧位
C．膝胸卧位
D．左侧卧位

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多项选择题

What do we learn about the number of international students in China in 2017?
Which of the following factors attracts more international students to study in China?
Which country is predicted to be the second most popular choice for international students by 2020?

单项选择题

“ck'g” for “checking” belongs to which method of abbreviation?

A．Abbreviate -ing
B．Abbreviate specific words from the lecture
C．Omit vowels
D．Use the beginnings of words