皮皮学，免费搜题
登录
搜题
【多选题】
学校心理卫生服务内容广泛，下列指导属于学习指导的是（）A.
入学适应教育
B.
激发学习动机
C.
改善考试焦虑
D.
预防学习疲劳
E.
学习方法指导
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】【T18】 A. BADLY B. BE COINED AFTER C. REFUSE TO D. HORN 1782 TO 1792 A. HE TREATED HIS POOR TENANTS VERY【T13】______ B. WHO LIVED【T14】______ C. MEANS TO【T15】______ HAVE ANYTHING TO DO WITH SOMEBODY OR S...
【简答题】设nA 代表阿伏加德罗常数（NA ）的数值，下列说法正确的是
【单选题】How did scientists discover the source of lead pollution in Green land?
A.
By analyzing the data published in journals like Nature and Ambio.
B.
By observing the lead accumulation in different parts of the arctic area.
C.
By studying the chemical elements of soil and snow in North eastern America.
D.
By comparing the chemical compositions of leaded gasoline used in various countries.
【单选题】—What time will Mr. Green be back to China? —Sorry. I don’t know ________.
A.
when did he go broad
B.
why he is going abroad
C.
how soon will he be back
D.
how long he will stay abroad
【简答题】【T15】 A. BADLY B. BE COINED AFTER C. REFUSE TO D. HORN 1782 TO 1792 A. HE TREATED HIS POOR TENANTS VERY【T13】______ B. WHO LIVED【T14】______ C. MEANS TO【T15】______ HAVE ANYTHING TO DO WITH SOMEBODY OR S...
【单选题】下列说法正确的是( N A 表示阿伏加德罗常数的值) ( )
A.
摩尔是七个基本物理量之一
B.
阿伏加德罗常数就是6.02×10 23 mol -1
C.
1mol氢的质量是2 g
D.
1mol甲烷的质量与 N A 个甲烷分子的质量之和相等
【单选题】根据以下资料，回答13~16题。 The winter in Iceland has been one of the worst ever．An animal that was born in Iceland and just returned there has enjoyed the weather．Keiko is a killer whale who is now living in a ...
A.
die from the cold water in Iceland
B.
be happy to return home
C.
want to be free
D.
be less active
【单选题】设N A 代表阿伏加德罗常数的值，下列说法不正确的是( )。
A.
阿伏加德罗常数N A 是0.012kg 12 C中所含的原子数
B.
2g氢气所含氢原子数目为N A
C.
标况下，22.4L NH 3 所含的分子数目为N A
D.
1 L 1 mo1·L -1 NaCl溶液中所含有的Na + 离子数目为N A
【单选题】用N A 表示阿伏加德罗常数的值，下列说法正确的是（ ）
A.
若5.6 L N 2 中含有n个氮分子，则阿伏加德罗常数一定为4n
B.
4.6 g Na与100 mL含0.1 mol HCl的盐酸溶液反应，转移电子数目为0.2N A
C.
14 g乙烯和丙烯的混合气体中所含分子总数为0.5N A
D.
标准状况下，22.4 L CCl 4 含有的分子总数为N A
相关题目：