题目内容

晶闸管的门极只能控制器件的导通，无法控制器件的（）。

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晶闸管是半控型器件（）

A. 对
B. 错

正向物流和逆向物流在预测容易程度方面，企业正向物流需求端的需求预测困难度比逆向物流大。

A. 对
B. 错

[音频]A: Matthew, do you know much about body language in countries around the world?M: Sure. I’ve picked up a few things from travelling around for work.A: Well, I had a meeting today with a woman from Japan and she wouldn’t stop bowing! I didn’t know what to do!M: Did you bow back?A: No, I tried to __her hand , but her hand was so limp I was a bit offended.M: Well, Japanese businessmen and women typically bow to greet each other in Japan. She mighthave been offended by your strong handshake.A: But she is in America! Shouldn’t she have known that strong handshakes in America signifyconfidence and respect?M: Things are different in Japan. You know, in some countries, making _ with others is considered rude.A: Is that why she wouldn’t look at me in the meeting?M: I think it’s highly possible, yes.A: The meeting really didn’t go down well at all. I think I need to read up about interculturalcommunication before I have another ______ with someone from another country.M: That’s a good idea. When you don’t know much about other cultures, the simplest thing canoffend someone.A: That’s so true. It’s great that we see eye to eye on this.

[音频]D:Good evening, Mrs. Li! Thank you for inviting me to ____.L: David, I’m glad you came! You know, today is a _ for Chinese people. It isMid-Autumn Festival.D: Oh! I’ve heard of the festival, but I know little about it. Could you please tell me somethingabout it?L: Sure! Mid-Autumn Festival is a traditional Chinese festival. It is on the ________ the 8th monthof the lunar calendar. It is so called because it is the middle of the lunar calendar, which is a _moon.D: What do people usually do on that day?L: We used to celebrate the full moon by eating fruit and mooncakes. Children played with theirneighbors and lanterns. The round shape of the moon symbolizes family__________, harmony and luck.D: Why should people celebrate the moon?L: It is because of a story that happened a long time ago in China. I’ll tell you the story when we eatthe moon-cakes.D: Ah! I can’t wait!