皮皮学，免费搜题
登录
搜题
【简答题】
1928年弗莱明对青霉素的发现揭开了人类与病菌抗争的历史．80多年后的今天，抗生素被许多人当百病的“妙药”．由于抗生素的滥用，无意中培养出了许多“超级耐药菌”．面对病菌，人类将面临束手无策的尴尬局面． （1）青霉素是从青霉菌的培养液中提取的．青霉菌属于______菌． （2）抗生素药物必须凭处方购买，因此它属于______药． （3）在使用青霉素前必须对患者进行皮试，否则有些患者会因为对青霉素过敏而发生休克甚至死亡．过敏反应是人体______功能的体现． （4）细菌耐药的变异，对个体生存有利，并容易遗传给下一代．因此，“超级耐药菌”的出现，可以用达尔文的______学说解释． （5）对于抗生素的使用，正确的做法是______．
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
【单选题】According to the working principle and functions, the flight instruments can be divided into , attitude instruments and .
A.
Navigation instruments, communication systems
B.
Navigation instruments, heading instruments
C.
pitot-static instruments, heading instruments
D.
pitot-static instruments, communication systems
查看完整题目与答案
【单选题】正常情况下维持血容量及调节血管内外水分交换的主要因素是
A.
血浆胶体渗透压
B.
血浆晶体渗透压
C.
组织胶体渗透压
D.
组织静水压
查看完整题目与答案
【单选题】Mobile phones are proved to ______ with flight instruments and have a negative effect on flight safety.
A.
interfere
B.
disturb
C.
interrupt
D.
trouble
查看完整题目与答案
【单选题】Which description about the flight instruments is wrong?
A.
VSI is the vertical speed indicator, which is used for getting the rate of climb of descend rate.
B.
HSI is horizontal situation indicator, which is used for getting the position of aircraft.
C.
ASI is air speed indicator, which is used for getting both of the indicated airspeed and Mach speed
D.
ALT is the altimeter which is used for getting the altitudes except for true altitude.
查看完整题目与答案
【单选题】_____contains two seats for both pilots , flight instruments and controls.
A.
Avionics bay
B.
Flight deck
C.
cargo compartment
D.
Cabin
查看完整题目与答案
【单选题】Mobile phones have proved to ______ with flight instruments and have a negative effect on flight safety.
A.
interfere
B.
disturb
C.
interrupt
D.
trouble
查看完整题目与答案
【简答题】Flight instruments are the instruments in the cockpit of an aircraft that provide the pilot with information about the flight situation of that aircraft, such as altitude, airspeed and direction. They...
查看完整题目与答案
【单选题】2016 年以来 , 从 G20 杭州峰会到乌镇世界互联网大会 , 从北京 “ 一带一路 ” 国际合作高峰论坛到 2017 年 9 月在厦门举行的金砖第九次会晤 , 我国主场外交活动在世界舞台大放异彩 , 极大地增强了国际话语权。这说明我国 ( ) 1 坚持对外开放的基本国策 2 积极与世界各国开展经济合作 3 国际地位有了很大的提高 4 已成为世界政治经济的主导
A.
②③④
B.
①②④
C.
①②③④
D.
①②③
查看完整题目与答案
【单选题】Aviation instruments can be divided as flight instruments, and auxiliary instrument.
A.
engine instruments
B.
navigation instruments
C.
display instruments
D.
Warning instruments
查看完整题目与答案
【单选题】正常情况下维持血浆容量的因素主要是
A.
血浆胶体渗透压
B.
血浆晶体渗透压
C.
组织液晶体渗透压
D.
血浆钠离子浓度
查看完整题目与答案
相关题目：
【单选题】According to the working principle and functions, the flight instruments can be divided into , attitude instruments and .
A.
Navigation instruments, communication systems
B.
Navigation instruments, heading instruments
C.
pitot-static instruments, heading instruments
D.
pitot-static instruments, communication systems
查看完整题目与答案
【单选题】正常情况下维持血容量及调节血管内外水分交换的主要因素是
A.
血浆胶体渗透压
B.
血浆晶体渗透压
C.
组织胶体渗透压
D.
组织静水压
查看完整题目与答案
【单选题】Mobile phones are proved to ______ with flight instruments and have a negative effect on flight safety.
A.
interfere
B.
disturb
C.
interrupt
D.
trouble
查看完整题目与答案
【单选题】Which description about the flight instruments is wrong?
A.
VSI is the vertical speed indicator, which is used for getting the rate of climb of descend rate.
B.
HSI is horizontal situation indicator, which is used for getting the position of aircraft.
C.
ASI is air speed indicator, which is used for getting both of the indicated airspeed and Mach speed
D.
ALT is the altimeter which is used for getting the altitudes except for true altitude.
查看完整题目与答案
【单选题】_____contains two seats for both pilots , flight instruments and controls.
A.
Avionics bay
B.
Flight deck
C.
cargo compartment
D.
Cabin
查看完整题目与答案
【单选题】Mobile phones have proved to ______ with flight instruments and have a negative effect on flight safety.
A.
interfere
B.
disturb
C.
interrupt
D.
trouble
查看完整题目与答案
【简答题】Flight instruments are the instruments in the cockpit of an aircraft that provide the pilot with information about the flight situation of that aircraft, such as altitude, airspeed and direction. They...
查看完整题目与答案
【单选题】2016 年以来 , 从 G20 杭州峰会到乌镇世界互联网大会 , 从北京 “ 一带一路 ” 国际合作高峰论坛到 2017 年 9 月在厦门举行的金砖第九次会晤 , 我国主场外交活动在世界舞台大放异彩 , 极大地增强了国际话语权。这说明我国 ( ) 1 坚持对外开放的基本国策 2 积极与世界各国开展经济合作 3 国际地位有了很大的提高 4 已成为世界政治经济的主导
A.
②③④
B.
①②④
C.
①②③④
D.
①②③
查看完整题目与答案
【单选题】Aviation instruments can be divided as flight instruments, and auxiliary instrument.
A.
engine instruments
B.
navigation instruments
C.
display instruments
D.
Warning instruments
查看完整题目与答案
【单选题】正常情况下维持血浆容量的因素主要是
A.
血浆胶体渗透压
B.
血浆晶体渗透压
C.
组织液晶体渗透压
D.
血浆钠离子浓度
查看完整题目与答案