皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【单选题】
下列关于碱金属(按锂、钠、钾、铷、铯的顺序)的叙述中不正确的是( )
A.
碱金属元素原子最外层都只有1个电子，在化学反应中容易失去电子表现出强还原性
B.
单质的熔点和沸点依次降低
C.
单质与水反应生成碱，在空气中燃烧生成过氧化物
D.
原子半径逐渐增大，单质与水反应的剧烈程度逐渐增强
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
【单选题】患者,男,38岁。因腿部被锈钉刺伤后数日,出现咀嚼不便,张口困难,随后牙关紧闭及全身肌肉强制性收缩,阵发性痉挛,诊断为破伤风。此患者应首选的抗生素是
A.
青霉素
B.
甲硝唑
C.
红霉素
D.
四环素
E.
磺胺类药
查看完整题目与答案
【简答题】在《大雨和小雨》中,第九、十小节的旋律出现了什么变化?
查看完整题目与答案
【单选题】患者男性,40岁,因破伤风住院,全身肌肉强直性收缩,阵发性痉挛,面唇发绀,并伴有发热,首选的抗生素是
A.
红霉素
B.
青霉素
C.
氯霉素
D.
庆大霉素
E.
新霉素
查看完整题目与答案
【单选题】听力原文：M: What did I do with my briefcase? W: Isn't it on the back seat? M: No, I don't see it. All my important papers are in it. W: You may have left it at the hotel. Should we turn around and go back...
A.
Some jewellery．
B.
Important papers．
C.
Money．
查看完整题目与答案
【单选题】听力原文：M：My briefcase is just like yours，isn't it? W：Almost．Mine is smaller，but it doesn't have a lock．I think I'd rather have had one like yours． Q：Why does the woman want a briefcase like the man's? (...
A.
Because they are alike.
B.
Because the man's briefcase has a lock.
C.
Because the man's briefcase is smaller.
D.
Because she doesn't have a briefcase.
查看完整题目与答案
【单选题】I ______ my briefcase in the waiting hall this morning.?
A.
lost
B.
want
C.
when
D.
call
查看完整题目与答案
【单选题】患者男性38岁,因腿部被锈钉刺伤后数日出现咀嚼不便张口困难,随后牙关紧闭及全身肌肉强直性收缩,阵发性痉挛,诊断为破伤风,治疗该患者应首选的抗生素是
A.
青霉素
B.
甲硝唑
C.
红霉素
D.
四环素
E.
磺胺类药
查看完整题目与答案
【单选题】患者男性,40岁。因破伤风住院,全身肌肉紧张性收缩,阵发性痉挛,面唇发绀,并伴有发热,首选的抗生素是
A.
红霉素
B.
青霉素
C.
氯霉素
D.
庆大霉素
E.
新霉素
查看完整题目与答案
【单选题】听力原文：M: Excuse me, but has anyone turned in a red briefcase? I've lost my briefcase. It contains my documents for the conference, and they are pretty important to me. W: Yes. We had a briefcase brough...
A.
Ask to see the man's ID card.
B.
Have a conference with the man.
C.
Get the briefcase for the man.
D.
Show the man her documents.
查看完整题目与答案
【多选题】第三阶段习作所要达成的目标有:
A.
养成留心观察周围事物的习惯，有意识地丰富自己的见闻，珍视个人的独特感受，积累习作素材
B.
能写简单的记实作文和想象作文，内容具体，感情真实。能根据内容表达的需要，分段表述。学写读书笔记，学写常见应用文
C.
修改自己的习作，并主动与他人交换修改，做到语句通顺，行款正确，书写规范、整洁。根据表达需要，正确使用常用的标点符号
D.
课内习作每学年16次左右
查看完整题目与答案
相关题目：
【单选题】患者,男,38岁。因腿部被锈钉刺伤后数日,出现咀嚼不便,张口困难,随后牙关紧闭及全身肌肉强制性收缩,阵发性痉挛,诊断为破伤风。此患者应首选的抗生素是
A.
青霉素
B.
甲硝唑
C.
红霉素
D.
四环素
E.
磺胺类药
查看完整题目与答案
【简答题】在《大雨和小雨》中,第九、十小节的旋律出现了什么变化?
查看完整题目与答案
【单选题】患者男性,40岁,因破伤风住院,全身肌肉强直性收缩,阵发性痉挛,面唇发绀,并伴有发热,首选的抗生素是
A.
红霉素
B.
青霉素
C.
氯霉素
D.
庆大霉素
E.
新霉素
查看完整题目与答案
【单选题】听力原文：M: What did I do with my briefcase? W: Isn't it on the back seat? M: No, I don't see it. All my important papers are in it. W: You may have left it at the hotel. Should we turn around and go back...
A.
Some jewellery．
B.
Important papers．
C.
Money．
查看完整题目与答案
【单选题】听力原文：M：My briefcase is just like yours，isn't it? W：Almost．Mine is smaller，but it doesn't have a lock．I think I'd rather have had one like yours． Q：Why does the woman want a briefcase like the man's? (...
A.
Because they are alike.
B.
Because the man's briefcase has a lock.
C.
Because the man's briefcase is smaller.
D.
Because she doesn't have a briefcase.
查看完整题目与答案
【单选题】I ______ my briefcase in the waiting hall this morning.?
A.
lost
B.
want
C.
when
D.
call
查看完整题目与答案
【单选题】患者男性38岁,因腿部被锈钉刺伤后数日出现咀嚼不便张口困难,随后牙关紧闭及全身肌肉强直性收缩,阵发性痉挛,诊断为破伤风,治疗该患者应首选的抗生素是
A.
青霉素
B.
甲硝唑
C.
红霉素
D.
四环素
E.
磺胺类药
查看完整题目与答案
【单选题】患者男性,40岁。因破伤风住院,全身肌肉紧张性收缩,阵发性痉挛,面唇发绀,并伴有发热,首选的抗生素是
A.
红霉素
B.
青霉素
C.
氯霉素
D.
庆大霉素
E.
新霉素
查看完整题目与答案
【单选题】听力原文：M: Excuse me, but has anyone turned in a red briefcase? I've lost my briefcase. It contains my documents for the conference, and they are pretty important to me. W: Yes. We had a briefcase brough...
A.
Ask to see the man's ID card.
B.
Have a conference with the man.
C.
Get the briefcase for the man.
D.
Show the man her documents.
查看完整题目与答案
【多选题】第三阶段习作所要达成的目标有:
A.
养成留心观察周围事物的习惯，有意识地丰富自己的见闻，珍视个人的独特感受，积累习作素材
B.
能写简单的记实作文和想象作文，内容具体，感情真实。能根据内容表达的需要，分段表述。学写读书笔记，学写常见应用文
C.
修改自己的习作，并主动与他人交换修改，做到语句通顺，行款正确，书写规范、整洁。根据表达需要，正确使用常用的标点符号
D.
课内习作每学年16次左右
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