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【单选题】
用二进制码表示指定离散电平的过程称为
A.
采样
B.
量化
C.
保持
D.
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参考答案：
举一反三
【单选题】听力原文：W: How many classes did you have yesterday? M: Just one, from 8:00 to 10:00. Q: What does the man mean? (7)
A.
He had two classes yesterday.
B.
He will have classes all morning.
C.
His class begins at 9:00 o'clock.
D.
His class lasts two hours.
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【单选题】听力原文：W: Don't you have any good news? M: No. Yesterday, I had to stay after school, because I was talking during my biology teacher's class. W: You'd better keep quiet during class. M: Sometimes I do....
A.
Good friends.
B.
Mother and son.
C.
Teacher and student.
查看完整题目与答案
【单选题】听力原文：W: Don't you have any good news? M: No. Yesterday I had to stay after school because I was talking during my science teacher's class. W: You'd better keep quiet during class. M: Sometimes I do. T...
A.
He was often late for school.
B.
He often fell asleep in class.
C.
He often stayed after school.
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【单选题】— Julia said she sent you a birthday card yesterday. Have you got it? — Oh, really! I haven't _____my mailbox yet. [     ]
A.
examined
B.
reviewed
C.
tested
D.
checked
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【单选题】听力原文：W: Oh, you have come back! M: Yeah, I was back yesterday. W: Did you visit your sister last weekend? M: Well, I intended to, but she called up saying she would be out of town. W: So where did you...
A.
He visited his sister.
B.
He went to Shanghai.
C.
He stayed at home.
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【单选题】听力原文：F: The teacher told us to finish Ex. 5 yesterday. Have you done it?M: Oh, sorry. I forgot it. What did the teacher tell them to do?
A.
Not to forget it.
B.
To finish Ex. 4.
C.
To finish Ex. 5.
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【单选题】You____me my bike yesterday afternoon; I needed it so badly.
A.
should have returned
B.
should return
C.
must return
D.
must have returned
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【单选题】突发公共卫生事件的分类不包括()
A.
重大传染病疫情
B.
食物中毒
C.
职业中毒
D.
意外辐射照射事件
E.
煤气中毒
查看完整题目与答案
【单选题】根据金字塔买入法,持仓头寸获利后,如果要追加投资额,则?
A.
追加的投资额应小于上次的投资额
B.
追加的投资额应等于上次的投资额
C.
追加的投资额应大于上次的投资额
D.
立即平仓，退出市场
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【单选题】听力原文：F: Have you heard from your sister yet? M: Yes, I got a letter from her yesterday. She said she enjoyed her visit to New York very much. What is the man's sister doing now?
A.
She is visiting London.
B.
She is visiting New York.
C.
She is visiting Shanghai.
查看完整题目与答案
相关题目：
【单选题】听力原文：W: How many classes did you have yesterday? M: Just one, from 8:00 to 10:00. Q: What does the man mean? (7)
A.
He had two classes yesterday.
B.
He will have classes all morning.
C.
His class begins at 9:00 o'clock.
D.
His class lasts two hours.
查看完整题目与答案
【单选题】听力原文：W: Don't you have any good news? M: No. Yesterday, I had to stay after school, because I was talking during my biology teacher's class. W: You'd better keep quiet during class. M: Sometimes I do....
A.
Good friends.
B.
Mother and son.
C.
Teacher and student.
查看完整题目与答案
【单选题】听力原文：W: Don't you have any good news? M: No. Yesterday I had to stay after school because I was talking during my science teacher's class. W: You'd better keep quiet during class. M: Sometimes I do. T...
A.
He was often late for school.
B.
He often fell asleep in class.
C.
He often stayed after school.
查看完整题目与答案
【单选题】— Julia said she sent you a birthday card yesterday. Have you got it? — Oh, really! I haven't _____my mailbox yet. [     ]
A.
examined
B.
reviewed
C.
tested
D.
checked
查看完整题目与答案
【单选题】听力原文：W: Oh, you have come back! M: Yeah, I was back yesterday. W: Did you visit your sister last weekend? M: Well, I intended to, but she called up saying she would be out of town. W: So where did you...
A.
He visited his sister.
B.
He went to Shanghai.
C.
He stayed at home.
查看完整题目与答案
【单选题】听力原文：F: The teacher told us to finish Ex. 5 yesterday. Have you done it?M: Oh, sorry. I forgot it. What did the teacher tell them to do?
A.
Not to forget it.
B.
To finish Ex. 4.
C.
To finish Ex. 5.
查看完整题目与答案
【单选题】You____me my bike yesterday afternoon; I needed it so badly.
A.
should have returned
B.
should return
C.
must return
D.
must have returned
查看完整题目与答案
【单选题】突发公共卫生事件的分类不包括()
A.
重大传染病疫情
B.
食物中毒
C.
职业中毒
D.
意外辐射照射事件
E.
煤气中毒
查看完整题目与答案
【单选题】根据金字塔买入法,持仓头寸获利后,如果要追加投资额,则?
A.
追加的投资额应小于上次的投资额
B.
追加的投资额应等于上次的投资额
C.
追加的投资额应大于上次的投资额
D.
立即平仓，退出市场
查看完整题目与答案
【单选题】听力原文：F: Have you heard from your sister yet? M: Yes, I got a letter from her yesterday. She said she enjoyed her visit to New York very much. What is the man's sister doing now?
A.
She is visiting London.
B.
She is visiting New York.
C.
She is visiting Shanghai.
查看完整题目与答案
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