皮皮学，免费搜题
登录
搜题
【单选题】
下列有关毒物方面的说法,哪个是错误的A.
毒物是指在较低的剂量下可导致机损伤的物质，毒物与非毒物的划分是相对的
B.
毒性是指化学物引起机体有害作用的能力。
C.
生物体受到毒物作用后，会引起机体功能性或器质性改变后，进一步出现疾病状态
D.
所有物质都是毒物，所以从一定意义上说，毒物就是所有物质
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】Which is not the reason of Chinese going home for the Spring Festival?
A.
Chinese families have a very strong bond.
B.
Chinese want to enjoy their Spring Festival holiday.
C.
Chinese want to reunite with their families.
【单选题】Western countries celebrate Christmas ( ) Chinese people celebrate Spring Festival.
A.
on the way
B.
in a way
C.
in ways
D.
on ways
【单选题】Which is not the reason of Chinese going home for the Spring Festival?
A.
Chinese families have a very strong bond.
B.
Chinese want to enjoy their Spring Festival holiday.
C.
Chinese want to reunite with their families.
D.
Chinese attach great importance to their family members.
【简答题】阅读理解。 We call Chinese New Year the Spring Festival. There is a name for each Chinese year. We may call it the year of Goat (山羊), the year of Monkey (猴子) or the year of Dog. And this year is the year o...
【单选题】For _____ most Chinese, the Spring Festival is ____ unique and important time of expressing and enjoying affections among family members.
A.
the; a
B.
the; an
C.
不填；a
D.
不填; an
【单选题】下哪项机器设备与设施之间的布局要求是错误的?
A.
加工设备间距,小型设备不小于0.7m;中型设备不小于1m;大型设备不小于2m
B.
设备与墙、柱间距,小型设备不小于0.7m;中型设备不小于0.8m;大型设备不小于0.9m
C.
小型设备不小于0.6m;中型设备不小于0.7m;大型设备不小于1.1m
D.
高于1m的运输线需有牢固护罩
【单选题】In the Chinese mind the Spring Festival is ______ with nice food and new clothes.
A.
joined
B.
related
C.
linked
D.
associated
【简答题】110 0 1∨ 1011111=
【简答题】Which of the following is the traditional food that Chinese people eat for the Spring Festival?
【单选题】某5层住宅楼成规则矩形,二个单元共四套房,每房有半封闭阳台一个。房中线长20.00m、宽10.00m,墙厚0.24m;阳台2.5m*1.6m。该幢楼总建筑面积为()平米
A.
1076.288
B.
1080
C.
1098.072
D.
1116.288
相关题目：
参考解析：
知识点：
题目纠错 0
发布
