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【单选题】
关于队列研究，下列哪项是正确的
A.
属于实验法
B.
可以直接获得研究人群的发病率或死亡率
C.
没有专门设立的比较组
D.
研究方法屑于回顾法
E.
难以判断暴露与结局的时间顺序
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【单选题】It was not until dark __________ he found the correct way to solve the problem. A. when B. that C. which D. w here
A.
when
B.
that
C.
which
D.
w here
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【单选题】—Do you know ________? —Next week. [     ]
A.
when she came here
B.
when did she will come here
C.
when she will come here
D.
when will she come here
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【单选题】CPU中有一个程序计数器(又称指令计数器)，它用于存放______。
A.
正在执行的指令的内容
B.
下—条要执行的指令的内容
C.
正在执行的指令的内存地址
D.
下一条要执行的指令的内存地址
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【单选题】听力原文：M: When will the train from Boston arrive? W: It was scheduled to be here at 9: 15, but now it is expected to be 15 minutes behind schedule. Q: When is the train expected to arrive now? (13)
A.
At 9:15.
B.
At 9:30.
C.
At 9:50.
D.
At 10:0
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【单选题】听力原文：M: Open wide. Now, show me where it hurts. W: Here on the bottom especially when I bite into something hot or cold. Who is the man?
A.
A dentist.
B.
A dietician.
C.
A cook.
D.
A tailor.
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【单选题】听力原文：W: It is so nice here, so restful. I have never been here before. M: No? W: I think I shall come and sit here sometimes. M: Yes? W: Do you lock the hut when you're not here? M: Yes, your Ladyship...
A.
Lord and lady.
B.
Friend and friend.
C.
Husband and wife.
D.
Mistress and servant.
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【单选题】听力原文：W: Excuse me, when will the 7:15 bus arrive? M: It's supposed to get here at ten, but it's been delayed two hours because a bridge was broken. Q: What do we learn from the conversation? (15)
A.
The bus was in a terrible accident.
B.
The bus may arrive tonight, but the man isn't sure.
C.
The bus will probably arrive at 12.
D.
The bus has broken down and will not arrive.
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【单选题】CPU有一个程序计数器(又称指令计数器)，它用于存放______。
A.
正在执行的指令的内容
B.
下一条要执行的指令的内容
C.
正在执行的指令的内存地址
D.
下一条要执行的指令的内存地址
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【单选题】CPU有一个程序计数器(2R称指令计数器)，它用于存放______。
A.
正在执行的指令的内容
B.
下一条要执行的指令的内容
C.
正在执行的指令的内存地址
D.
下一条要执行的指令的内存地址
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【单选题】听力原文：W: When is Jason coming? M: Well, he said he'd be here at seventhirty, but if you know him, it will be at least eight o'clock. Q: What do we know about Jason? (13)
A.
Jason will arrive at 7:30.
B.
Jason should have arrived at 8:00
C.
Jason is usually punctual.
D.
Jason is not very punctual.
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相关题目：
【单选题】It was not until dark __________ he found the correct way to solve the problem. A. when B. that C. which D. w here
A.
when
B.
that
C.
which
D.
w here
查看完整题目与答案
【单选题】—Do you know ________? —Next week. [     ]
A.
when she came here
B.
when did she will come here
C.
when she will come here
D.
when will she come here
查看完整题目与答案
【单选题】CPU中有一个程序计数器(又称指令计数器)，它用于存放______。
A.
正在执行的指令的内容
B.
下—条要执行的指令的内容
C.
正在执行的指令的内存地址
D.
下一条要执行的指令的内存地址
查看完整题目与答案
【单选题】听力原文：M: When will the train from Boston arrive? W: It was scheduled to be here at 9: 15, but now it is expected to be 15 minutes behind schedule. Q: When is the train expected to arrive now? (13)
A.
At 9:15.
B.
At 9:30.
C.
At 9:50.
D.
At 10:0
查看完整题目与答案
【单选题】听力原文：M: Open wide. Now, show me where it hurts. W: Here on the bottom especially when I bite into something hot or cold. Who is the man?
A.
A dentist.
B.
A dietician.
C.
A cook.
D.
A tailor.
查看完整题目与答案
【单选题】听力原文：W: It is so nice here, so restful. I have never been here before. M: No? W: I think I shall come and sit here sometimes. M: Yes? W: Do you lock the hut when you're not here? M: Yes, your Ladyship...
A.
Lord and lady.
B.
Friend and friend.
C.
Husband and wife.
D.
Mistress and servant.
查看完整题目与答案
【单选题】听力原文：W: Excuse me, when will the 7:15 bus arrive? M: It's supposed to get here at ten, but it's been delayed two hours because a bridge was broken. Q: What do we learn from the conversation? (15)
A.
The bus was in a terrible accident.
B.
The bus may arrive tonight, but the man isn't sure.
C.
The bus will probably arrive at 12.
D.
The bus has broken down and will not arrive.
查看完整题目与答案
【单选题】CPU有一个程序计数器(又称指令计数器)，它用于存放______。
A.
正在执行的指令的内容
B.
下一条要执行的指令的内容
C.
正在执行的指令的内存地址
D.
下一条要执行的指令的内存地址
查看完整题目与答案
【单选题】CPU有一个程序计数器(2R称指令计数器)，它用于存放______。
A.
正在执行的指令的内容
B.
下一条要执行的指令的内容
C.
正在执行的指令的内存地址
D.
下一条要执行的指令的内存地址
查看完整题目与答案
【单选题】听力原文：W: When is Jason coming? M: Well, he said he'd be here at seventhirty, but if you know him, it will be at least eight o'clock. Q: What do we know about Jason? (13)
A.
Jason will arrive at 7:30.
B.
Jason should have arrived at 8:00
C.
Jason is usually punctual.
D.
Jason is not very punctual.
查看完整题目与答案