皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【单选题】
目前含有元素硒（Se）的保健品已开始涌入市场，已知它与氧同主族，而与钾同周期，下列关于硒的有关描述中错误的是（　　）
A.
原子序数20
B.
最高价氧化物为SeO 3
C.
原子半径比钾小
D.
气态氢化物化学式为H 2 Se
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案：
举一反三
【判断题】*Progress Checking: Have you finished Chapter Review 1 this week?
A.
正确
B.
错误
查看完整题目与答案
【判断题】Review the pronunciation of Stop Consonant in Chapter 3.1 and 4.1.
A.
正确
B.
错误
查看完整题目与答案
【多选题】加强对导游人员的管理,应从____________等方面入手。
A.
加强责任制管理
B.
加强培训与考核，确保导游人员的素质
C.
实行合同管理，强化导游人员的责任感
D.
强化导游人员的检查、监督制度
E.
实行导游人员等级评定制度
查看完整题目与答案
【单选题】甲说：如果事故车在碰撞中受损十分严重，可能会造成全损；乙说：全损是指估算出来的事故车维修费比购置一辆新车还贵。谁正确（）？
A.
只有甲正确
B.
只有乙正确
C.
两人都正确
D.
两人都不正确
查看完整题目与答案
【单选题】听力原文： To quickly review the main points covered in Chapter 1, the most important part of sports is its influence and popularity among people from different walks of life throughout the world. Then wha...
A.
Sports in the United States.
B.
The most popular sport in the U. S.
C.
Three popular sports in the U.S.
D.
Sports and U. S.
查看完整题目与答案
【单选题】听力原文：To quickly review the main points covered in Chapter 7, the most important part of the system of nerves is the brain. The brain controls most of the body activities. Messages between the brain an...
A.
The function and nature of the brain.
B.
The function and nature of nerve cells.
C.
The five senses.
D.
The spinal cord.
查看完整题目与答案
【判断题】全损是指估算出来的事故车维修费比购置一辆新车还贵。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：M: I heard that the newspaper gave that book a terrible review. W: It depends on which newspaper. What does the woman mean?
A.
She wonders which newspaper he reads.
B.
She thinks the book is excellent.
C.
You should believe everything you read.
D.
Reaction to the book has been different.
查看完整题目与答案
【单选题】心音听诊时规范的听诊顺序是（）
A.
二尖瓣听诊区、主动脉瓣听诊区、主动脉瓣第二听诊区、肺动脉瓣听诊区、三尖瓣听诊区
B.
二尖瓣听诊区、肺动脉瓣听诊区、主动脉瓣听诊区、主动脉瓣第二听诊区、三尖瓣听诊区
C.
二尖瓣听诊区、三尖瓣听诊区、主动脉瓣听诊区、主动脉瓣第二听诊区、肺动脉瓣听诊区
D.
二尖瓣听诊区、主动脉瓣听诊区、肺动脉瓣听诊区、主动脉瓣第二听诊区、三尖瓣听诊区
E.
三尖瓣听诊区、肺动脉瓣听诊区、主动脉瓣听诊区、主动脉瓣第二听诊区、二尖瓣听诊区
查看完整题目与答案
【单选题】听力原文：M: I heard that the newspaper gave that book a terrible review. W: It depends on which newspaper. Q: What does the woman mean? (16)
A.
You should believe everything you read.
B.
She thinks the book is excellent.
C.
She wonders which newspaper he reads.
D.
Reaction to the book has been varied.
查看完整题目与答案
相关题目：
【判断题】*Progress Checking: Have you finished Chapter Review 1 this week?
A.
正确
B.
错误
查看完整题目与答案
【判断题】Review the pronunciation of Stop Consonant in Chapter 3.1 and 4.1.
A.
正确
B.
错误
查看完整题目与答案
【多选题】加强对导游人员的管理,应从____________等方面入手。
A.
加强责任制管理
B.
加强培训与考核，确保导游人员的素质
C.
实行合同管理，强化导游人员的责任感
D.
强化导游人员的检查、监督制度
E.
实行导游人员等级评定制度
查看完整题目与答案
【单选题】甲说：如果事故车在碰撞中受损十分严重，可能会造成全损；乙说：全损是指估算出来的事故车维修费比购置一辆新车还贵。谁正确（）？
A.
只有甲正确
B.
只有乙正确
C.
两人都正确
D.
两人都不正确
查看完整题目与答案
【单选题】听力原文： To quickly review the main points covered in Chapter 1, the most important part of sports is its influence and popularity among people from different walks of life throughout the world. Then wha...
A.
Sports in the United States.
B.
The most popular sport in the U. S.
C.
Three popular sports in the U.S.
D.
Sports and U. S.
查看完整题目与答案
【单选题】听力原文：To quickly review the main points covered in Chapter 7, the most important part of the system of nerves is the brain. The brain controls most of the body activities. Messages between the brain an...
A.
The function and nature of the brain.
B.
The function and nature of nerve cells.
C.
The five senses.
D.
The spinal cord.
查看完整题目与答案
【判断题】全损是指估算出来的事故车维修费比购置一辆新车还贵。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：M: I heard that the newspaper gave that book a terrible review. W: It depends on which newspaper. What does the woman mean?
A.
She wonders which newspaper he reads.
B.
She thinks the book is excellent.
C.
You should believe everything you read.
D.
Reaction to the book has been different.
查看完整题目与答案
【单选题】心音听诊时规范的听诊顺序是（）
A.
二尖瓣听诊区、主动脉瓣听诊区、主动脉瓣第二听诊区、肺动脉瓣听诊区、三尖瓣听诊区
B.
二尖瓣听诊区、肺动脉瓣听诊区、主动脉瓣听诊区、主动脉瓣第二听诊区、三尖瓣听诊区
C.
二尖瓣听诊区、三尖瓣听诊区、主动脉瓣听诊区、主动脉瓣第二听诊区、肺动脉瓣听诊区
D.
二尖瓣听诊区、主动脉瓣听诊区、肺动脉瓣听诊区、主动脉瓣第二听诊区、三尖瓣听诊区
E.
三尖瓣听诊区、肺动脉瓣听诊区、主动脉瓣听诊区、主动脉瓣第二听诊区、二尖瓣听诊区
查看完整题目与答案
【单选题】听力原文：M: I heard that the newspaper gave that book a terrible review. W: It depends on which newspaper. Q: What does the woman mean? (16)
A.
You should believe everything you read.
B.
She thinks the book is excellent.
C.
She wonders which newspaper he reads.
D.
Reaction to the book has been varied.
查看完整题目与答案
参考解析：
知识点：
题目纠错 0
发布
创建自己的小题库 - 刷刷题