皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【单选题】
下列关于有机肥的说法不正确的是( )
A.
施用化肥会造成污染，使地力下降，加重水土流失和增加能量消耗。
B.
有机肥俗称农家肥，是绿色食品生产的主要养分来源。
C.
尿素属于有机肥
D.
菜农在大棚蔬菜种植过程中，常利用增施有机肥的方法来增加大棚内的二氧化碳浓度。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案：
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
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
【简答题】Question 41. What does the author say about present-day universities? ==== Passage 9 ==== Recently I attended several meetings where we talked about ways to retain students and keep younger faculty me...
查看完整题目与答案
【判断题】高碳钢的含碳量范围在(0.60-1.40)%(ωC)。
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
【简答题】Fill in the blanks in the following letters with the given words.Change the form if necessary. g uarantee experience repair check end Dear Mr.White: Thank you for your message.I am sorry to ...
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
【简答题】Question 41. What does the author say about present-day universities? ==== Passage 9 ==== Recently I attended several meetings where we talked about ways to retain students and keep younger faculty me...
查看完整题目与答案
【判断题】高碳钢的含碳量范围在(0.60-1.40)%(ωC)。
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
【简答题】Fill in the blanks in the following letters with the given words.Change the form if necessary. g uarantee experience repair check end Dear Mr.White: Thank you for your message.I am sorry to ...
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
参考解析：
知识点：
题目纠错 0
发布
创建自己的小题库 - 刷刷题