马某在一次旅行中,第一天开车走了216公里,第二天又以同样的速度走了378公里,如果第一天比第二天少走3小时,她旅行速度是多少(公里/时)()
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根据《联合国国际货物销售合同公约》规定,一项发盘即使是不可撤销的,也可以撤回。如果撤回的通知在发盘生效之前或同时到达受盘人。
A. 对
B. 错
Toastmasters aims to train people to be all the following EXCEPT
A. public speakers.
B. grammar teachers.
C. masters of ceremonies.
D. evaluators.
As we know, women’s social status have been improved. But they can’t eliminate all the discriminations. You are asked to write an article to explain what caused women’s liberation and what problems are still around. In the first part of your writing you should present your thesis statement, and in the second part you should support the thesis statement with appropriate details. In the last part you should bring what you have written to a natural conclusion or a summary. Marks will be awarded for content, organization, grammar and appropriateness. Failure to follow the above instructions may result in loss of marks. Write your composition on ANSWER SHEET FOUR.
原产地证书应由检验检疫局、贸促会或商务部出具,不能由出口商或生产厂家出具。
A. 对
B. 错