【单选题】【消耗次数：1】
It was not until he arrived in class _____ realized he had forgotten his book.
①
when he
②
that he
③
and he
④
he
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相关题目
【单选题】
20. Only when he had handed in his exam paper ____ he had made several mistakes.
①
he has realized
②
does he realize
③
has he realized
④
did he realize
【单选题】
15.The book was so interesting that he had read it for three hours ______ he realized it.
①
when
②
until
③
after
④
before
【单选题】
3. He had to ______ his past actions when he retired, or he would be punished.
①
consider
②
account for
③
think
④
popular
【单选题】
He was _____ his late twenties when he found his first job.
①
in
②
after
③
after
④
from
【单选题】
阅读理解：阅读下列短文，回答文后问题，选择最佳答案Robert had just moved into the street and he felt strange that he was not wanted. He knew that perhaps the other boys were trying to get an idea of what kind of a boy he was. This did not help him to make himself less lonely. He was new and he had to be tested. Still, proving himself would not be all that easy. He did not want to run with the boys or get into something against the law to prove that he was strong. No! He must show what he was made of in a more helpful way. That’s when he got the idea.The next day was Saturday. He knew that most of the boys would be down on the playground and choose up sides for the Saturday game. Robert knew he could play well and that just might be enough to prove he was strong, and to make friends with them. He arrived early and did his step exercises. He shot the ball several times and did some other exercises—the most difficult and most wonderful in basketball. Then the boys came. Robert went through what he had done before the game and showed what he could do. No one said a word. The boys just looked at each other and thought about it. In the end, when it was all over, the biggest of the group just smiled and shook his head. Robert knew he had made it.2. Why would it not be easy for Robert to prove himself?
①
Because he was not sure if he was really strong.
②
Because he was new and was not wanted in the street.
③
Because the other boys had found out what kind of a boy he was.
④
Because he must choose the best way to prove himself.
【单选题】
If he had worked harder, he ___.
①
would succeed
②
had succeeded
③
should succeed
④
would have succeeded
【单选题】
阅读理解：阅读下列短文，回答文后问题，选择最佳答案Robert had just moved into the street and he felt strange that he was not wanted. He knew that perhaps the other boys were trying to get an idea of what kind of a boy he was. This did not help him to make himself less lonely. He was new and he had to be tested. Still, proving himself would not be all that easy. He did not want to run with the boys or get into something against the law to prove that he was strong. No! He must show what he was made of in a more helpful way. That’s when he got the idea.The next day was Saturday. He knew that most of the boys would be down on the playground and choose up sides for the Saturday game. Robert knew he could play well and that just might be enough to prove he was strong, and to make friends with them. He arrived early and did his step exercises. He shot the ball several times and did some other exercises—the most difficult and most wonderful in basketball. Then the boys came. Robert went through what he had done before the game and showed what he could do. No one said a word. The boys just looked at each other and thought about it. In the end, when it was all over, the biggest of the group just smiled and shook his head. Robert knew he had made it.3.When did Robert decide to prove himself by playing basketball?
①
After he had thought about the other two ways mentioned in paragraph one.
②
Long before he moved into the street.
③
When the other boys came down to the playground.
④
As soon as he showed what he was made of in front of the other boys.
【单选题】
阅读理解：阅读下列短文，回答文后问题，选择最佳答案Robert had just moved into the street and he felt strange that he was not wanted. He knew that perhaps the other boys were trying to get an idea of what kind of a boy he was. This did not help him to make himself less lonely. He was new and he had to be tested. Still, proving himself would not be all that easy. He did not want to run with the boys or get into something against the law to prove that he was strong. No! He must show what he was made of in a more helpful way. That’s when he got the idea.The next day was Saturday. He knew that most of the boys would be down on the playground and choose up sides for the Saturday game. Robert knew he could play well and that just might be enough to prove he was strong, and to make friends with them. He arrived early and did his step exercises. He shot the ball several times and did some other exercises—the most difficult and most wonderful in basketball. Then the boys came. Robert went through what he had done before the game and showed what he could do. No one said a word. The boys just looked at each other and thought about it. In the end, when it was all over, the biggest of the group just smiled and shook his head. Robert knew he had made it.4. What did the biggest of the group mean by shaking his head?
①
He did not want to say anything about what Robert had done.B. He had not thought Robert could play so wonderfully.C. He did not want to make friends with Robert.D. He did not think Robert played basketball well.
②
He had not thought Robert could play so wonderfully.
③
He did not want to make friends with Robert..
④
He did not think Robert played basketball well.
随机题目
【简答题】
平面立体正等测图基本作图方法是 [填空]法，另外还有[填空] 法和[填空]法。
【简答题】
三视图投影规律为：主、俯视图[填空]，主、左视图[填空]，俯、左视图[填空]。
【简答题】
标注尺寸圆柱和圆锥（或圆台）时，一般标在投影为的 [填空] 视图上。
【简答题】
正投影的基本特性： [填空] 、[填空] 、 [填空] 。
【简答题】
正等轴测图的轴间角：∠XOY=∠YOZ=∠ZOX= [填空] °；轴向伸缩系数pl =ql= r1= [填空]，简化后的轴向伸缩系数p=q=r= [填空] 。
【简答题】
球被切割后的截交线一定是 [填空] ，但其投影可能是 [填空] 、 [填空] ，也可能是 [填空]。
【简答题】
凡确定图形中各部分几何形状大小的尺寸, 称 [填空]为尺寸。如确定图形中各个组成部分相对位置的尺寸，称为[填空]尺寸；基准是标注尺寸的[填空] 。
【简答题】
主视图与左视图共同反映物体的 [填空]位置关系；主视图与俯视图共同反映物体的[填空]位置关系；左视图与俯视图共同反映物体的 [填空]位置关系。
【简答题】
标注角度时，角度的数字一律写成[填空]方向，一般注写在尺寸线的[填空]处；尺寸界线应沿[填空]引出，尺寸线应画成[填空]，其圆心是该角的顶点。
【简答题】
物体上互相平行的线段，轴测投影仍互相 [填空]，且同一轴向所有线段的 [填空] 相同。