皮皮学，免费搜题
登录
搜题
【单选题】
烧伤病区属于二类环境,要求空气中的菌落总数不超过A.
10cfu/m三次方
B.
50cfu/m三次方
C.
100cfu/m三次方
D.
200cfu/m三次方
E.
500cfu/m三次方
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】Some scientists believe that hibernation is started by______.
A.
a lack of food
B.
calcium deposits
C.
a body chemical
D.
a lack of water
【单选题】Last month, American scientists started working on _____ project aimed at improving _______ ability to predict earthquake.
A.
the; a
B.
a; an
C.
the; an
D.
a; the
【判断题】车载接触网运行状态检测装置（简称3C装置）指在运营的动车组（电力机车）上加装的受电弓检测设备，根据车辆的运行自动完成检测及数据的无线发送，实现受电弓状态的动态检测
A.
正确
B.
错误
【简答题】Scientists resist talking about their options because they don't want people to
【单选题】After collecting the last Martian dust particle，the scientists have started to build up a portrail gallery of it．
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】Scientists started to______the Anartica in the 19th century.
A.
explode
B.
explore
C.
expose
D.
expand
【单选题】Scientists don’t think that a warm winter always has a negative influence on our life,____?
A.
don’t they
B.
do they
C.
hasn’t it
D.
has it
相关题目：
参考解析：
知识点：
题目纠错 0
发布
