【单选题】以下几种构件的受力情况,属于分布力作用的是:
【简答题】从方框中选出恰当的句子补全对话,有两项为多余项。 A. What about lunch? B. Does she have dessert? C. Do you know Sandra Clark? D. She has chicken, tomatoes and French fries. E. What does she have for supper? F. She eats lots o...
【简答题】选出恰当的句子,补全对话。 A. Are these carrots? B. Who is this man? C. Thirty-five. D. He's a farmer. E. Is this a dog? A: Look at the picture of my family B: 1____ A: He's my uncle B: What's your uncle? A: 2...
【简答题】影响极限应力的因素有( )。A. 载荷; B. 材料性质; C. 截面尺寸; D. 工作条件;
【单选题】以下几种构件的受力情况,属于分布力作用的是()。
【简答题】从方框中选出恰当的句子,完成下列对话。每个句子只用一次。 A: 1 B: On Mondays. A: And English? B: 2 A: Do you have Chinese? B: 3 We have writing in Chinese on Tuesdays. A: What about s? 4 B: Yes, we play football on Wednesdays...
【简答题】从方框中选出恰当的句子完成下面对话。 A. I like blue. B. Oh! It's great.How much does it cost? C. I'd like a sweater for my son. D. Size 'L'. E. Hmm. That's cheap. I'll have it. F. Size 'L' A: What can I do for you? B: ...
【单选题】露营地应选择在:安全、( )、平坦、近水处