皮皮学，免费搜题
登录
搜题
【单选题】
下列说法正确的是A.
1 mol H 2 所占体积约为22.4 L
B.
22 g CO 2 中含有的分子数约为6.02×10 23
C.
100 mL 0.5 mol/L NaOH溶液中含溶质的质量为0.05 g
D.
标准状况下,11.2 L O 2 和H 2 的混合气体所含分子数约为3.01×10 23
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】According to the passage, the term “plastic sandwich” refers to_____.
A.
a kind of sandwich-shaped toy made of plastics
B.
a kind of plastics with different integration in each layer
C.
a kind of plastics with maximum strength and flexibility
D.
a kind of plastics made of 100% recycled materials
【简答题】A．Have dinner in the cafe. B．Try to get a job in the cafe. C．Find out when the cafe opens. D．Meet her in the cafe this evening.
【简答题】下列业务中，应该填制现金收款凭证的是（ ）
【简答题】That diners spend more in a restaurant named 'Cafe 97' than in one named 'Cafe 17' shows numbers can
【判断题】Sandwich is a common noun originating from the fourth Earl of Sandwich, who put his food between two slices of bread so that he could eat while gambling. ()
A.
正确
B.
错误
【单选题】Jerome, Kevin, and Seth shared a submarine sandwich.Jerome ate 1/2 of the sandwich, Kevin ate 1/3 of the sandwich, and Seth ate the rest. What is the ratio of Jerome’s share to Kevin’s share to Seth’s...
A.
2:3:6
B.
2:6:3
C.
3:1:2
D.
3:2:1
E.
6:3:2
相关题目：
参考解析：
知识点：
题目纠错 0
发布
