皮皮学，免费搜题
登录
搜题
【单选题】
原子吸收分光光度计噪声过大,分析其原因可能是()。A.
电压不稳定
B.
空心阴极灯有问题
C.
灯电流、狭缝、乙炔气和助燃气流量的设置不适当
D.
燃烧器缝隙被污染
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
【简答题】已确认销售商品收入的售出商品发生销售退回的，除属于资产负债表日后事项外，一般应在发生时冲减当期销售商品收入，不需冲减当期销售商品成本。()
【多选题】When you meet your classmates for the first time ,you can say()
A.
Where do you come from?
B.
Which high school did you go to?
C.
What are your hobbies?
D.
Do you like this school?
【单选题】When do you say "thank you" in the UK?
A.
When you get off the bus.
B.
When someone holds the door for you.
C.
When other car driver let you go first.
D.
When you hit someone
【单选题】有研究显示，高果糖溶液会损伤小鼠神经元，导致学习能力受损。将小鼠分为两组，实验组每天喂食高果糖溶液来取 代饮用水，对照组则同时喂食高果糖溶液和欧米茄脂肪酸。六周之后，训练两组小鼠走迷宫，对照组可以很容易学会，而实验组则非常难。因而可以认为欧米茄脂肪酸能保护小鼠免受高果糖溶液的损伤。 以下哪项如果 为真，是得出该结论的前提?()
A.
高果糖溶液浸泡下的大脑神经元易出现萎缩
B.
欧米茄脂肪酸可以增进小鼠记忆力
C.
实验前两组小鼠学习走迷宫的能力不存在差异
D.
实验中两组小鼠均接受了大量的走迷宫训练
【单选题】When someone asks “Would you rather go out for a walk or stay at home?”, you may say_______.
A.
I’d rather stay at home than go out for a walk.
B.
I dislike going out for a walk.
C.
I found going out rather interesting.
【简答题】已确认销售商品收入的售出商品发生销售退回
【简答题】阅读理解。 When you want to go shopping, you will decide how much money you can pay for new clothes and think about the kind of clothes you really need. Then you just only look for those clothes. There're ...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
