皮皮学,免费搜题
登录
搜题
【简答题】
The First Line of Defense Against Germs Think about all of the things that you touched today — from the telephone to the toilet. Whatever you did, you came into contact with germs and it's easy for germs on your hand to end up in your mouth. Hand washing is a powerful way to (31) ………….. the spread of disease. Millions of lives could be saved each year if people washed their hands with soap often. Hand washing with soap could be among the most (32) ………….. ways to reduce (33) ………….. diseases. Hand washing destroys germs from other people, animals or objects a person has touched. When people get (34) ………….. on their hands, they can infect themselves by touching their eyes, nose or mouth. It’s especially easy for a germ on your hand to end up in your mouth. Think about how much food you eat with your hands. But the worst thing is these people can infect other people. For example, the easiest way to catch cold is to touch your nose or eyes after someone nearby has (35) ………….. or coughed. Another way to become sick is to eat food (36) ………….. by someone whose hands were not clean. It is especially a good idea to wash your hands after (37) ………….. money. Good hand washing is your first line of (38) ………….. against the (39) ………….. of many illnesses—and not just the common cold. So never forget to (40) ………….. your hands with water and dry them. A spread B defense C bacteria D effective E prevent F disease G infectious H touching I prepared J rinse K diagnose L sneezed A. 31 B. 32 C. 33 D. 34 E. 35 F. 36 G. 37 H. 38 I. 39 J. 40
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】检验丙酮的特效试剂是
A.
卢卡斯试剂
B.
希夫试剂
C.
托伦试剂
D.
亚硝酰铁氰化钠溶液和氨水
【单选题】检验 的特效试剂是( )
A.
KCN
B.
KSCN
C.
【简答题】从我国目前的使用情况看,可以采用的三种ATC系统有哪些。
【简答题】从品牌的差别程度看,目前采用的主要品牌战略有哪些?各有什么特点?
【多选题】目前,我国既可以采用从价又可以采用从量计征方式的税种是:
A.
进口关税
B.
进口环节增值税
C.
进口环节消费税
D.
出口关税
【单选题】检验Fe 的特效试剂是( )
A.
KSCN
B.
KCN
C.
【简答题】从全文看,在海洋深度的测量史上,主要采用了 、 、 等三种方法。
【判断题】当利率差小于较高利率货币的贴水幅度时,投资者应将资金由利率低的国家调往利率高的国家。( )
A.
正确
B.
错误
【单选题】检验Fe3+的特效试剂是
A.
KCN
B.
NH3
C.
KSCN
D.
AgNO3
【单选题】检验Fe 的特效试剂是( )
A.
KCN
B.
KSCN
C.