一个角的补角加上 后,等于这个角的余角的 倍,则这个角是. 答案:【1】40°根据所给情景选择正确答案。1. 当你得到别人的帮助时,你应说________
[ ]A. You're welcome. B. Thank you.C. Good-bye.2. 你家来客人时,你应说_________
[ ]A. Good-bye. B. Welcome. C. Yes, you are right.3. 当你想对别人的意见表示赞同时,你应说_________
[ ]A. Yes, you are right. B. Hello. C. No. D. How are you?4. 你想赞美对方新买的衣服,应说_________
[ ]A. How are you? B. Welcome. C. How nice! D. Fine, thank you.5. 你在打扰别人之前,应先说_________
[ ]A. OK. B. Excuse me. C. How are you? D. Sorry.