皮皮学，免费搜题
登录
搜题
【多选题】
下列哪些是次生矿物?A.
方解石
B.
正长石
C.
石膏
D.
辉石
E.
石英
F.
粘土矿物
G.
赤铁矿
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】The new measure will reduce the chance of serious injury in the event of an accident. The underlined part means______.
A.
if an accident can be prevented
B.
if an accident happens
C.
before an accident
D.
during an accident
【简答题】reduce the chance of a large loss by sharing risks ________
【单选题】B Spending two or three hours playing outdoors each day can reduce a child’s chance of becoming short-sighted, a research shows. It challenges (挑战) the belief that short- sightedness is caused by comp...
A.
2 hours.
B.
90 minutes.
C.
1 hour.
D.
30 minutes.
【单选题】It is implied that a man can reduce his chance of committing suicide if he ______.
A.
goes straight to the core of a problem
B.
does not allow himself to be influenced by his acquaintances
C.
consults a psychiatrist regularly
D.
changes the way he thinks about problems and interact with others
【简答题】X、Y、Z、Q、E、F六种元素中，X原子核外的M层中只有两对成对电子，Y原子核外的L层电子数是K层的两倍，Z是地壳内含量（质量分数）最高的元素，Q的核电荷数是X与Z的核电荷数之和，E在第二周期主族元素中电负性最大的元素。请回答下列问题： (1)XZ 2 与YZ 2 分子的立体结构分别是 和 ，相同条件下两者在水中的溶解度较大的是 （写分子式），理由是 ； (2)Q的元素符号是 ，它的核外电子排布式...
【简答题】阅读理解。 Spending two or three hours playing outdoors each day can reduce a child's chance of becoming short- sighted, a research shows. It challenges (挑战) the belief that short-sightedness is caused by ...
【简答题】Spending two or three hours playing outdoors each day can reduce(减少)a child’s chance of becoming short-sighted（近视）,research shows . It challenges the belif that short-sightedness is caused by computer...
【单选题】The new measure will reduce the chance of serious injury in the event of an accident.
A.
e underlined part means _________.
B.
if an accident happens
C.
if an accident can be prevented
D.
before an accident
E.
during an accident
【简答题】10. It also ____
(reduce) your chance of getting diabetes.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
