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【单选题】
( )稀土金属储量居世界首位。
A.
山西省
B.
云南省
C.
内蒙古自治区
D.
新疆自治区
拍照语音搜题，微信中搜索"皮皮学"使用
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【单选题】听力原文： This is an important week for Ayad Allawi. His visit to Britain is a prelude to talks in New York on Tues- day with President Bush and on Friday he' H deriver a speech to the UN General Assembly...
A.
To talk with President Bush in New York on Friday.
B.
To talk with President Bush in New York on Tuesday.
C.
To deliver a speech to the UN General Assembly on Friday.
D.
To deliver a speech to the UN General Assembly on Tuesday.
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【单选题】一种筛选试验应用于经活检证实患有乳腺癌的400名妇女和未患乳腺癌的400名健康妇女,检查结果患癌组中有100名为阳性,而健康组中有50名阳性。此试验的灵敏度为
A.
87.5%
B.
67%
C.
33%
D.
25%
E.
20%
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【单选题】听力原文： Should a person own a car? This is an important question. In a large urban area, there are some good reasons for owning a car. Firstly, a car allows a person to move around freely. With a car th...
A.
Buses and trains are too crowded.
B.
A person can move around freely.
C.
It is easy to maintain cars.
D.
A driver is usually safe in his car.
查看完整题目与答案
【单选题】听力原文： Should a person own a car? This is an important question. In a large urban area, there are some good reasons for owning a car. First, a car allows a person to move around freely. With a car ther...
A.
Buses and trains are too crowded.
B.
A person can move around freely.
C.
It is easy to maintain cars.
D.
A driver is usually safe in his ear.
查看完整题目与答案
【多选题】武器系统工程的主要构成要素包括哪些?
A.
以武器系统为研究对象
B.
研究实现武器系统优化的科学方法
C.
研究武器系统的整体目标
D.
将科学技术和工程的基本理论、方法、成果应用于武器系统
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【简答题】It is common knowledge for students, parents, and counselors that the possibility to be enrolled by a highly selective school is faint.
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【单选题】一种筛选实验应用于经活检证实患有乳腺癌的400名妇女和未患乳腺癌的400名健康妇女，检查结果患癌组中有100名为阳性，而健康组中有50名为阳性。 此试验的灵敏度是( )
A.
87．5％
B.
67％
C.
25％
D.
33％
E.
12％
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【简答题】College counselors say that as schools get choosier, parents have grown more resigned to the realities of kids’ prospects.
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【单选题】—Why are you _____ this morning? This is an important meeting. —Sorry, I stayed up and sorted out the materials for the meeting last night. [     ]
A.
asleep
B.
impatient
C.
sleepy
D.
excited
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【单选题】Counselors say the ranks are growing as teens get__________ Web-enabled devices like cell phones and computer games.
A.
hooked on
B.
hook
C.
result from
D.
accompany
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相关题目：
【单选题】听力原文： This is an important week for Ayad Allawi. His visit to Britain is a prelude to talks in New York on Tues- day with President Bush and on Friday he' H deriver a speech to the UN General Assembly...
A.
To talk with President Bush in New York on Friday.
B.
To talk with President Bush in New York on Tuesday.
C.
To deliver a speech to the UN General Assembly on Friday.
D.
To deliver a speech to the UN General Assembly on Tuesday.
查看完整题目与答案
【单选题】一种筛选试验应用于经活检证实患有乳腺癌的400名妇女和未患乳腺癌的400名健康妇女,检查结果患癌组中有100名为阳性,而健康组中有50名阳性。此试验的灵敏度为
A.
87.5%
B.
67%
C.
33%
D.
25%
E.
20%
查看完整题目与答案
【单选题】听力原文： Should a person own a car? This is an important question. In a large urban area, there are some good reasons for owning a car. Firstly, a car allows a person to move around freely. With a car th...
A.
Buses and trains are too crowded.
B.
A person can move around freely.
C.
It is easy to maintain cars.
D.
A driver is usually safe in his car.
查看完整题目与答案
【单选题】听力原文： Should a person own a car? This is an important question. In a large urban area, there are some good reasons for owning a car. First, a car allows a person to move around freely. With a car ther...
A.
Buses and trains are too crowded.
B.
A person can move around freely.
C.
It is easy to maintain cars.
D.
A driver is usually safe in his ear.
查看完整题目与答案
【多选题】武器系统工程的主要构成要素包括哪些?
A.
以武器系统为研究对象
B.
研究实现武器系统优化的科学方法
C.
研究武器系统的整体目标
D.
将科学技术和工程的基本理论、方法、成果应用于武器系统
查看完整题目与答案
【简答题】It is common knowledge for students, parents, and counselors that the possibility to be enrolled by a highly selective school is faint.
查看完整题目与答案
【单选题】一种筛选实验应用于经活检证实患有乳腺癌的400名妇女和未患乳腺癌的400名健康妇女，检查结果患癌组中有100名为阳性，而健康组中有50名为阳性。 此试验的灵敏度是( )
A.
87．5％
B.
67％
C.
25％
D.
33％
E.
12％
查看完整题目与答案
【简答题】College counselors say that as schools get choosier, parents have grown more resigned to the realities of kids’ prospects.
查看完整题目与答案
【单选题】—Why are you _____ this morning? This is an important meeting. —Sorry, I stayed up and sorted out the materials for the meeting last night. [     ]
A.
asleep
B.
impatient
C.
sleepy
D.
excited
查看完整题目与答案
【单选题】Counselors say the ranks are growing as teens get__________ Web-enabled devices like cell phones and computer games.
A.
hooked on
B.
hook
C.
result from
D.
accompany
查看完整题目与答案