皮皮学，免费搜题
登录
搜题
【单选题】
三种分集合并，在相同分集重数的情况下，改善信噪比最大的是
A.
选择式合并
B.
等增益合并
C.
最大比合并
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【判断题】能与去甲肾上腺素结合的受体称为肾上腺素能受体。(    )
A.
正确
B.
错误
查看完整题目与答案
【简答题】能与肾上腺素和去甲肾上腺素结合的受体称为______受体。该受体又分为______和______两种类型。
查看完整题目与答案
【简答题】A. cycle B. city C. crop D. certain
查看完整题目与答案
【单选题】Small city gardens were first established in certain Italian and German cities_____.
A.
in the central areas,unlike the earlier English gardens
B.
by citizens whose forebears had obtained permission from the monks
C.
by citizens who had surplus land by their cottages
D.
on lines that anticipated cottage gardens
查看完整题目与答案
【单选题】Noting that the number of crimes committed in a certain city had decreased in 1982 by 5.2 percent in comparison with 1981 , the police chief of the city said, 'We see here the result of the innovative...
A.
Several cities that have recently increased spending for police programs experienced no decrease in crime in 1982, as compared with 1981.
B.
The number of crimes committed in the city is estimated , by the same method each year, from the number of crimes reported.
C.
The number of crimes committed in the suburban areas surrounding the city rose by about 5 percent in 1982 over the figure for 1981 and were nearly equal in number to those in the city in 1982.
D.
The number of crimes committed in the city in 1982 was 10 percent higher than the number committed in 1972.
E.
The size of the age group most likely to commit crimes decreased considerably in the city in 1982, as against 1981, because of a declining birth rate.
查看完整题目与答案
【单选题】哌唑嗪的药理作用是
A.
激动α肾上腺素受体
B.
激动β肾上腺素受体
C.
阻断B1肾上腺素受体
D.
阻断α肾上腺素受体
E.
阻断M胆碱受体
查看完整题目与答案
【单选题】a. The speaker is certain that Sydney is the biggest city in Australia. b. The speaker wants it to be confirmed that Sydney is the biggest city in Australia.
A.
The speaker is certain that Sydney is the biggest city in Australia.
B.
The speaker wants it to be confirmed that Sydney is the biggest city in Australia.
查看完整题目与答案
【单选题】肾上腺素属于()。
A.
β-肾上腺素能受体兴奋剂
B.
β-肾上腺素能受体阻断剂
C.
α-肾上腺素能受体兴断剂
D.
α-肾上腺素能受体阻断剂
E.
α、β肾上腺素能受体兴奋剂
查看完整题目与答案
【单选题】交感神经兴奋引起心率加快，由下列哪种受体介导?
A.
α 1 肾上腺素能受体
B.
α 2 肾上腺素能受体
C.
β 1 肾上腺素能受体
D.
β 2 肾上腺素能受体    
E.
M胆碱能受体
查看完整题目与答案
【单选题】Charging drivers for entering certain parts of the city has been successfully done in Cambridge, England.
A.
YES
B.
NO
C.
NOT GIVEN
查看完整题目与答案
相关题目：
【判断题】能与去甲肾上腺素结合的受体称为肾上腺素能受体。(    )
A.
正确
B.
错误
查看完整题目与答案
【简答题】能与肾上腺素和去甲肾上腺素结合的受体称为______受体。该受体又分为______和______两种类型。
查看完整题目与答案
【简答题】A. cycle B. city C. crop D. certain
查看完整题目与答案
【单选题】Small city gardens were first established in certain Italian and German cities_____.
A.
in the central areas,unlike the earlier English gardens
B.
by citizens whose forebears had obtained permission from the monks
C.
by citizens who had surplus land by their cottages
D.
on lines that anticipated cottage gardens
查看完整题目与答案
【单选题】Noting that the number of crimes committed in a certain city had decreased in 1982 by 5.2 percent in comparison with 1981 , the police chief of the city said, 'We see here the result of the innovative...
A.
Several cities that have recently increased spending for police programs experienced no decrease in crime in 1982, as compared with 1981.
B.
The number of crimes committed in the city is estimated , by the same method each year, from the number of crimes reported.
C.
The number of crimes committed in the suburban areas surrounding the city rose by about 5 percent in 1982 over the figure for 1981 and were nearly equal in number to those in the city in 1982.
D.
The number of crimes committed in the city in 1982 was 10 percent higher than the number committed in 1972.
E.
The size of the age group most likely to commit crimes decreased considerably in the city in 1982, as against 1981, because of a declining birth rate.
查看完整题目与答案
【单选题】哌唑嗪的药理作用是
A.
激动α肾上腺素受体
B.
激动β肾上腺素受体
C.
阻断B1肾上腺素受体
D.
阻断α肾上腺素受体
E.
阻断M胆碱受体
查看完整题目与答案
【单选题】a. The speaker is certain that Sydney is the biggest city in Australia. b. The speaker wants it to be confirmed that Sydney is the biggest city in Australia.
A.
The speaker is certain that Sydney is the biggest city in Australia.
B.
The speaker wants it to be confirmed that Sydney is the biggest city in Australia.
查看完整题目与答案
【单选题】肾上腺素属于()。
A.
β-肾上腺素能受体兴奋剂
B.
β-肾上腺素能受体阻断剂
C.
α-肾上腺素能受体兴断剂
D.
α-肾上腺素能受体阻断剂
E.
α、β肾上腺素能受体兴奋剂
查看完整题目与答案
【单选题】交感神经兴奋引起心率加快，由下列哪种受体介导?
A.
α 1 肾上腺素能受体
B.
α 2 肾上腺素能受体
C.
β 1 肾上腺素能受体
D.
β 2 肾上腺素能受体    
E.
M胆碱能受体
查看完整题目与答案
【单选题】Charging drivers for entering certain parts of the city has been successfully done in Cambridge, England.
A.
YES
B.
NO
C.
NOT GIVEN
查看完整题目与答案