It is a principle that we _____ all the government's policies.
A. undertake
B. undergo
C. underrate
D. underlie
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在C语言中，为了结束由do-while语句构成的循环，while后一对圆括号中表达式的值应为（）。
A. 0
B. 1
C. true
D. 非0
Listen to five short conversations and choose the best answer to each question you hear.[音频]
A. She should talk about the promotion with her boss.
B. She should keep shut until a better job is available.
C. She should quit her job to get a better one.
D. She should urge her boss to keep the promise.
在“插入图片”对话框中,以( )视图模式显示图片文件可以直接浏览到图片效果
A. 大图标
B. 小图标
C. 浏览
D. 缩略图
如果要在表格的最后添加新的一行,可以单击表格的最后一个单格,然后按( )键。
A. Enter
B. Tab
C. Shift+Enter
D. Shift+Tab
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