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【判断题】
在遗传育种领域内，也把一切具有一定种质或基因的生物类型统称为种质资源。()
A.
正确
B.
错误
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参考答案：
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【单选题】听力原文：M: How are their talks going on? Have they reached any agreement? W: They only seemed to have agreed to set another date for further talks. Q: What can we infer from tile conversation? (16)
A.
The talks haven't started yet.
B.
The talks haven't achieved much.
C.
The talks have produced a general agreement.
D.
The talks borke down and could go no further.
查看完整题目与答案
【单选题】低碳钢扭转破坏是
A.
沿横截面
B.
沿45螺旋面
C.
沿竖直面
D.
沿水平面
查看完整题目与答案
【单选题】听力原文：W: Eric Schurenberg is the managing editor of Money Magazine in this August issue, in which this quiz about money personality types appears. Why is it so important to come up with your money pers...
A.
They often take risks.
B.
They're too conservative.
C.
They have no sense of security.
D.
They have no self-discipline.
查看完整题目与答案
【单选题】听力原文：W: Hi, John! M: Oh! Hi, Laura! What are you doing here? W: Uh, I'm usually here on weekends. It's my dad's shop. So you are looking for a bike? M: Yeah. Now that the weather is warming up, I thin...
A.
Because she helps her father there.
B.
Because she wants to buy a bike.
C.
Because she is there to meet John.
D.
Because her bike is broken.
查看完整题目与答案
【判断题】低碳钢扭转破坏是由横截面上的切应力引起的。
A.
正确
B.
错误
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【单选题】低碳钢扭转破坏的断面是（  ），铸铁扭转破坏的断面是（  ），铸铁破坏属于（   ），所以（     ）适合承受扭力。
A.
颗粒状  片状 脆断  低碳钢
B.
片状 颗粒状  脆断 低碳钢
C.
片状 颗粒状  脆断 铸铁
D.
颗粒状  片状 疲劳  低碳钢
查看完整题目与答案
【单选题】W：I have a big paper due Monday, but I promise Laura we，d clean the apartment this weekend. What am I going to do? M: Why don’t you just see if Laura can wait for a week or two? Q：What does the man su...
A.
Request one or two roommates to do the cleaning.
B.
Help Laura with her term paper due this weekend.
C.
Get Laura to clean the apartment herself this time.
D.
Ask Laura to put off the cleaning until another week.
查看完整题目与答案
【单选题】低碳钢扭转破坏的断面是
A.
横截面拉伸
B.
45°螺旋面拉断
C.
横截面剪断
D.
45 °斜面剪 断
查看完整题目与答案
【单选题】听力原文：W: Eric Schurenberg is the managing editor of Money Magazine in this August issue, in which this quiz about money personality types appears. Why is it so important to come up with your money pers...
A.
They often take risks.
B.
They're too conservative.
C.
They have no sense of security.
D.
They have no self-discipline.
查看完整题目与答案
【单选题】低碳钢扭转破坏是 。
A.
沿横截面拉断
B.
沿 45 °螺旋面拉断
C.
沿横截面剪断
D.
沿 45 °螺旋面剪断
查看完整题目与答案
相关题目：
【单选题】听力原文：M: How are their talks going on? Have they reached any agreement? W: They only seemed to have agreed to set another date for further talks. Q: What can we infer from tile conversation? (16)
A.
The talks haven't started yet.
B.
The talks haven't achieved much.
C.
The talks have produced a general agreement.
D.
The talks borke down and could go no further.
查看完整题目与答案
【单选题】低碳钢扭转破坏是
A.
沿横截面
B.
沿45螺旋面
C.
沿竖直面
D.
沿水平面
查看完整题目与答案
【单选题】听力原文：W: Eric Schurenberg is the managing editor of Money Magazine in this August issue, in which this quiz about money personality types appears. Why is it so important to come up with your money pers...
A.
They often take risks.
B.
They're too conservative.
C.
They have no sense of security.
D.
They have no self-discipline.
查看完整题目与答案
【单选题】听力原文：W: Hi, John! M: Oh! Hi, Laura! What are you doing here? W: Uh, I'm usually here on weekends. It's my dad's shop. So you are looking for a bike? M: Yeah. Now that the weather is warming up, I thin...
A.
Because she helps her father there.
B.
Because she wants to buy a bike.
C.
Because she is there to meet John.
D.
Because her bike is broken.
查看完整题目与答案
【判断题】低碳钢扭转破坏是由横截面上的切应力引起的。
A.
正确
B.
错误
查看完整题目与答案
【单选题】低碳钢扭转破坏的断面是（  ），铸铁扭转破坏的断面是（  ），铸铁破坏属于（   ），所以（     ）适合承受扭力。
A.
颗粒状  片状 脆断  低碳钢
B.
片状 颗粒状  脆断 低碳钢
C.
片状 颗粒状  脆断 铸铁
D.
颗粒状  片状 疲劳  低碳钢
查看完整题目与答案
【单选题】W：I have a big paper due Monday, but I promise Laura we，d clean the apartment this weekend. What am I going to do? M: Why don’t you just see if Laura can wait for a week or two? Q：What does the man su...
A.
Request one or two roommates to do the cleaning.
B.
Help Laura with her term paper due this weekend.
C.
Get Laura to clean the apartment herself this time.
D.
Ask Laura to put off the cleaning until another week.
查看完整题目与答案
【单选题】低碳钢扭转破坏的断面是
A.
横截面拉伸
B.
45°螺旋面拉断
C.
横截面剪断
D.
45 °斜面剪 断
查看完整题目与答案
【单选题】听力原文：W: Eric Schurenberg is the managing editor of Money Magazine in this August issue, in which this quiz about money personality types appears. Why is it so important to come up with your money pers...
A.
They often take risks.
B.
They're too conservative.
C.
They have no sense of security.
D.
They have no self-discipline.
查看完整题目与答案
【单选题】低碳钢扭转破坏是 。
A.
沿横截面拉断
B.
沿 45 °螺旋面拉断
C.
沿横截面剪断
D.
沿 45 °螺旋面剪断
查看完整题目与答案
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