【单选题】Which of the following statements is true according to the writer of this passage?
A.
Students should learn verbally by themselves in class.
B.
Students should be encouraged to follow examples.
C.
Students should understand all the demonstrations.
D.
Students should target their activities and achieve them.
【单选题】在社区开展口腔健康调查的主要目的不是为了
【判断题】长江的源头是巴颜喀拉山,黄河的源头是沱沱河。
【单选题】在社区开展口腔健康调查的主要目的不是为了
【单选题】健康人一次失血量不超过多少毫升可不输血:
【单选题】医生白某因挪用公款用于个人经营,被判有期徒刑1年白某被判刑后()
【简答题】听音,选出你听到的单词。 ( ) 1. A. tall ( ) 2. A. friend ( ) 3. A. who ( ) 4. A. and B. short B. student B. what B. or C. my C. boy C. where C. under