问题
多项选择题
承重方木、原木、板材的标准缺陷有（）。
A、腐朽
B、木节
C、斜（扭）纹
D、裂缝
E、髓心
F、潮湿
答案
参考答案：A, B
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承重方木、原木、板材的标准缺陷有（）。
A、腐朽
B、木节
C、斜（扭）纹
D、裂缝
E、髓心
F、潮湿
参考答案：A, B
| Reading comprehension. Choose the best topic from A to F according to the meaning of the passage. | |
| ( )1. It's hard to make friends if you stay at home alone all the time. Get out of the house and do things that will put you in touch with others. ( )2. Talk about the things you like and do best. Don't hide your strong points. ( )3. Watch carefully how they make and keep friends. Don't copy all of the things they do, but try to notice what they do. Then try some of those things yourself. ( )4. It's very difficult to have a conversation with people whose eyes are looking to the left, to the right, or at the floor. People may think you're not interested in them and may stop being interested in you. ( )5. Let people talk about themselves before talking about "me, me, me". Ask lots of questions and show an interest in their answers. | |
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