矩形命令RECTANG中，绘制带有倒角的矩形，需要使用哪个子命令设置倒角距离：【指定第一个角点或 [倒角(C)/标高(E)/圆角(F)/厚度(T)/宽度(W)]:】
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直线命令LINE的C选项是：
A. 闭合折线；
B. 结束直线；
C. 转成画圆；
D. 连接上一条线。
多义线PLINE中，改变线的宽度时需要输入哪个子命令：【指定下一个点或 [圆弧(A)/半宽(H)/长度(L)/放弃(U)/宽度(W)]:】
A. W
B. A
C. L
D. U
Short Conversation1[音频]
A. She should talk about the promotion with her boss.
B. She should keep shut unitl a better jiob is available.
C. She should quit her job to get a better one.
D. She should urge her boss to keep the promise.
Short Conversation 2[音频]
A. She can't understand the man's point of view.
B. The man should earn the bread.
C. The man is responsible for his family.
D. She cannot agree more with the man.
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