【单选题】到了春季,手足口病又迎来高发期.手足口病是一种严重的肠道传染病,它大多在婴幼儿中流行.勤洗手、多通风、消毒玩具主要是为了( )
【简答题】手足口病多发于哪个年龄的人群,主要临床症状是什么?
【多选题】3 listen to part of a Speaking Test. Which two topics in the list does the examiner ask about? (p13)
A.
Business in your home town or country.
B.
The importance of English in business.
C.
The effect of technology on business.
D.
Present and future changes in working life.
E.
Training and development in the workplace.
F.
Ways of selling products or services.
【单选题】到了春季,手足口病又迎来高发期。手足口病是一种严重的肠道传染病,它大多在婴幼儿中流行。勤洗手、多通风、玩具消毒主要是为了
【简答题】Which two topics in the list does the examiner ask about? Write the two letters in the blanket. 注意:在答案栏里填写讨论到的两个主题前的字母,大写不空格。
【单选题】3类双绞线和5类双绞线中都没有金属保护膜,属于