选择题：When he looked into the audience,he caught _______

题目内容：

When he looked into the audience,he caught ________ of his mother nodding to him.

A.sign

B.sight

C.glow

D.head

参考答案：

The students were assigned to write a paper on ___

The students were assigned to write a paper on ________ from the course. A.whath

《给排水、采暖、燃气工程》计价定额中感应龙头安装不分规格，套用同一定额。感应龙头安装已包含了等工作内容。A 电气检查接线B 安装调试C 试压D 电气测试

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对新文稿存盘的方法正确的是（）a 选择文件选项卡的保存命令b 选择文件选项卡的另存为命令c 按快捷键CTRL+S键d 按快捷键CTRL+W键