皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【简答题】
How to keep yourself safe from new virus? After a new-type coronavirus was detected in viral pneumonia cases in Central China's Wuhan city a month ago, more cases have been reported in recent days. 1 . First, wear masks outdoors ●Wearing a mask is one of the most effective ways to protect you from getting infected. ●Make sure to wear it properly by tightening up the nose clip and pulling the bottom of it over your chin. ● 2 , a mask is also needed to prevent you from spreading germs to others. Second, cover your coughs and sneeze with tissue Cover your mouth and nose with a tissue when you cough or sneeze, or you can cough or sneeze into your sleeve, but avoid covering with your hands directly. Third, 3 . Wash your hands with soap and running water thoroughly for at least 15 seconds. ● Before eating and after using the toilet ● After returning home ● After touching trash or garbage ● After contacting with animals or handling animal wastes Fourth, strengthen your immune system and exercise regularly ● Exercise regularly is one of the most important ways to help you stay away from catching any infections. ● Make sure that shared spaces have good air flow and avoid going to crowded places such as hospitals, railway stations and airports. 4 . ● Seek prompt medical attention if you have symptoms of fever and respiratory infection. ● Avoid close contact with people who have flu or cold-like symptoms. ● 5 . Avoid contact with wild animals or farmed livestock without any protection.
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
【单选题】下列说法中正确的是 [     ]
A.
乙醛分子中所有原子都在同一平面上
B.
凡能发生银镜反应的有机物都是醛
C.
醛类既能被氧化为羧酸,又能被还原为醇
D.
完全燃烧等物质的量的乙醛和乙醇,消耗O 2 的质量相等
【单选题】For the issuer, a sinking fund arrangement is most similar to a
A.
term maturity structure
B.
serial maturity structure
C.
bondholder put provision
D.
【多选题】用于清水墙、柱表面的砖还应( ),无出厂证明的砖应做试验鉴定。
A.
边角整齐
B.
色泽均匀
C.
厚薄得体
D.
内外一致
【单选题】Which of the following is a disadvantage to bondholders if a bond has a sinking fund provision?
A.
Lower credit quality
B.
Unfavorable tax status
C.
Greater reinvestment risk
【单选题】For the issuer, a sinking fund arrangement is most similar to a
A.
term maturity structure
B.
serial maturity structure
C.
bondholder put provision
【简答题】三相异步电动机常用的制动方法有 、 和 。
【简答题】Which statement regarding sinking funds is least likely correct? A. Sinking fund provisions require the retirement of a portion of a bond issue in specified amounts prior to the maturity date. B. Sink...
【简答题】三相异步电动机常用的制动方法有回馈制动、 制动、 制动。
【简答题】三相异步电动机常用的制动方法有 、 和 等。
【单选题】下列说法中正确的是(  )
A.
乙醛分子中的所有原子都在同一平面上
B.
凡是能发生银镜反应的有机物都是醛
C.
醛类既能被氧化为羧酸,又能被还原为醇
D.
完全燃烧等物质的量的乙醛和乙醇,消耗氧气的质量相等
相关题目:
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