皮皮学，免费搜题
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【单选题】
线性元件是指元件两端电压与流过的电流成()关系。
A.
正比
B.
反比
C.
积分
D.
微分
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举一反三
【多选题】如图所示,制动片上的凹槽的作用有:
A.
最低磨损极限，到与该槽几乎平齐时需要更换刹车片
B.
通风散热，制动过程中产生的热量可从此处通风散热
C.
便于杂质排出，摩擦产生的杂质可通过此处排出，以防止杂质在摩擦片中影响制动效果
D.
用于涂抹黄油，由于制动盘容易生锈，抹上黄油可有效防止摩擦片沾染锈迹
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【单选题】F: Diego, have we received a fax from Chris at Complex Computers yet?M: We did, but it came through blurry. I called, and Chris said they were having problems with the fax machine. They’re trying to f...
A.
Ask Chris to scan the contract
B.
Ask Chris to call technical support
C.
Ask Chris to copy the contract
D.
Ask Chris to deliver the document by mail
查看完整题目与答案
【单选题】Read the passage and choose the best answer. Recently I attended several meetings where we talked about ways to retain students and keep younger faculty members from going elsewhere. It seems higher e...
A.
They are effectively tackling real or imagined problems.
B.
They often fail to combine teaching with research.
C.
They are over-burdened with administrative staff.
D.
They lack talent to fix their deepening problems.
查看完整题目与答案
【单选题】如图，平面α⊥平面β，A∈α，B∈β，AB与两平面α、β所成的角分别为 和 ，过A、B分别作两平面交线的垂线，垂足为A′、B′，则AB：A′B′= [     ] A、2：1
B.
3：1
C.
3：2
D.
4：3
查看完整题目与答案
【判断题】We fix problems and make decisions every day.
A.
正确
B.
错误
查看完整题目与答案
【单选题】Reading comprehension Section C Questions 46 to 50 are based on the following passage. Recently I attended several meetings where we talked about ways to retain students and keep younger faculty membe...
A.
They are effectively tackling real or imagined problems.
B.
They often fail to combine teaching with research.
C.
They are over-burdened with admires" trative staff.
D.
They lack talent to fix their deepening problems.
查看完整题目与答案
【单选题】F: Diego, have we received a fax from Chris at Complex Computers yet?M: We did, but it came through blurry. I called, and Chris said they were having problems with the fax machine. They’re trying to f...
A.
The shipment delay
B.
The quality of the fax machines
C.
The service contract for Office PCs
D.
The shipment delay
查看完整题目与答案
【单选题】F: Diego, have we received a fax from Chris at Complex Computers yet?M: We did, but it came through blurry. I called, and Chris said they were having problems with the fax machine. They’re trying to f...
A.
The Blurry Company
B.
The Complex Computers
C.
The Ramon Brothers
D.
Not mentioned
查看完整题目与答案
【单选题】The new principal promised to _____ the school's problems. We need more teachers and new books.
A.
perform
B.
record
C.
fix
D.
hold
查看完整题目与答案
【单选题】Recently I attended several meetings where we talked about ways to retain students and keep younger faculty members from going elsewhere. It seems higher education has become an industry of meeting-ho...
A.
They are over-burdened with administrative staff.
B.
.They are effectively tackling real or imagined problems.
C.
.They lack talent to fix their deepening problems.
D.
They often fail to combine teaching with research.
查看完整题目与答案
相关题目：
【多选题】如图所示,制动片上的凹槽的作用有:
A.
最低磨损极限，到与该槽几乎平齐时需要更换刹车片
B.
通风散热，制动过程中产生的热量可从此处通风散热
C.
便于杂质排出，摩擦产生的杂质可通过此处排出，以防止杂质在摩擦片中影响制动效果
D.
用于涂抹黄油，由于制动盘容易生锈，抹上黄油可有效防止摩擦片沾染锈迹
查看完整题目与答案
【单选题】F: Diego, have we received a fax from Chris at Complex Computers yet?M: We did, but it came through blurry. I called, and Chris said they were having problems with the fax machine. They’re trying to f...
A.
Ask Chris to scan the contract
B.
Ask Chris to call technical support
C.
Ask Chris to copy the contract
D.
Ask Chris to deliver the document by mail
查看完整题目与答案
【单选题】Read the passage and choose the best answer. Recently I attended several meetings where we talked about ways to retain students and keep younger faculty members from going elsewhere. It seems higher e...
A.
They are effectively tackling real or imagined problems.
B.
They often fail to combine teaching with research.
C.
They are over-burdened with administrative staff.
D.
They lack talent to fix their deepening problems.
查看完整题目与答案
【单选题】如图，平面α⊥平面β，A∈α，B∈β，AB与两平面α、β所成的角分别为 和 ，过A、B分别作两平面交线的垂线，垂足为A′、B′，则AB：A′B′= [     ] A、2：1
B.
3：1
C.
3：2
D.
4：3
查看完整题目与答案
【判断题】We fix problems and make decisions every day.
A.
正确
B.
错误
查看完整题目与答案
【单选题】Reading comprehension Section C Questions 46 to 50 are based on the following passage. Recently I attended several meetings where we talked about ways to retain students and keep younger faculty membe...
A.
They are effectively tackling real or imagined problems.
B.
They often fail to combine teaching with research.
C.
They are over-burdened with admires" trative staff.
D.
They lack talent to fix their deepening problems.
查看完整题目与答案
【单选题】F: Diego, have we received a fax from Chris at Complex Computers yet?M: We did, but it came through blurry. I called, and Chris said they were having problems with the fax machine. They’re trying to f...
A.
The shipment delay
B.
The quality of the fax machines
C.
The service contract for Office PCs
D.
The shipment delay
查看完整题目与答案
【单选题】F: Diego, have we received a fax from Chris at Complex Computers yet?M: We did, but it came through blurry. I called, and Chris said they were having problems with the fax machine. They’re trying to f...
A.
The Blurry Company
B.
The Complex Computers
C.
The Ramon Brothers
D.
Not mentioned
查看完整题目与答案
【单选题】The new principal promised to _____ the school's problems. We need more teachers and new books.
A.
perform
B.
record
C.
fix
D.
hold
查看完整题目与答案
【单选题】Recently I attended several meetings where we talked about ways to retain students and keep younger faculty members from going elsewhere. It seems higher education has become an industry of meeting-ho...
A.
They are over-burdened with administrative staff.
B.
.They are effectively tackling real or imagined problems.
C.
.They lack talent to fix their deepening problems.
D.
They often fail to combine teaching with research.
查看完整题目与答案