皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【单选题】
异烟肼加氨制硝酸银试液即发生气泡与黑色浑浊,并在试管壁上形成。这是由于其分子结构中有
A.
酰肼基
B.
吡啶环
C.
叔胺氮
D.
酰胺基
E.
硫元素
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】听力原文：M: I would like two tickets for the 9 o'clock show this evening. W: I'm sorry, Sir. They are sold out. But we have a few left for tomorrow. What do we learn from this conversation?
A.
The man wants to attend tomorrow's show.
B.
There aren't any tickets left for tonight's show.
C.
There aren't any tickets left for tomorrow's show.
D.
The man doesn't want to attend tomorrow's show.
查看完整题目与答案
【多选题】企业微观营销环境因素包括()。
A.
经济环境
B.
供应环境
C.
竞争环境
D.
社会文化环境
E.
中间商
查看完整题目与答案
【判断题】急性湿疹与接触性皮炎相比较,前者的皮损特点为多形性,边界不清。
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：W: Which coat do you like to buy? M: It makes no difference to me. Q: What can we learn from the conversation? (9)
A.
The man doesn't like any of the two coats.
B.
The man doesn't care which coat he is going to buy.
C.
The man likes a different coat.
D.
The man wants to choose a coat himself.
查看完整题目与答案
【单选题】血气酸碱分析标本所用的抗凝剂是( )
A.
草酸钠
B.
枸橼酸钠
C.
肝素钠
D.
EDTA-Na2
查看完整题目与答案
【判断题】衡量融资决策是否正确最根本的标志是融资所取得的效益。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】雷达仰俯角度的摆动装置属于( )
A.
曲柄摇杆机构
B.
双曲柄机构
C.
曲柄滑块机构
D.
双摇杆机构
查看完整题目与答案
【简答题】______=______÷20=4()=0.8=______%20：______=______÷20= 4 () =0.8=______%
查看完整题目与答案
【单选题】特殊变星中的Wolf-Rayer变星的光谱中全部是什么线?
A.
反射线
B.
折射线
C.
激发线
D.
发射线
查看完整题目与答案
【简答题】(过去或将来的)某一天,有一天
查看完整题目与答案
相关题目：
【单选题】听力原文：M: I would like two tickets for the 9 o'clock show this evening. W: I'm sorry, Sir. They are sold out. But we have a few left for tomorrow. What do we learn from this conversation?
A.
The man wants to attend tomorrow's show.
B.
There aren't any tickets left for tonight's show.
C.
There aren't any tickets left for tomorrow's show.
D.
The man doesn't want to attend tomorrow's show.
查看完整题目与答案
【多选题】企业微观营销环境因素包括()。
A.
经济环境
B.
供应环境
C.
竞争环境
D.
社会文化环境
E.
中间商
查看完整题目与答案
【判断题】急性湿疹与接触性皮炎相比较,前者的皮损特点为多形性,边界不清。
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：W: Which coat do you like to buy? M: It makes no difference to me. Q: What can we learn from the conversation? (9)
A.
The man doesn't like any of the two coats.
B.
The man doesn't care which coat he is going to buy.
C.
The man likes a different coat.
D.
The man wants to choose a coat himself.
查看完整题目与答案
【单选题】血气酸碱分析标本所用的抗凝剂是( )
A.
草酸钠
B.
枸橼酸钠
C.
肝素钠
D.
EDTA-Na2
查看完整题目与答案
【判断题】衡量融资决策是否正确最根本的标志是融资所取得的效益。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】雷达仰俯角度的摆动装置属于( )
A.
曲柄摇杆机构
B.
双曲柄机构
C.
曲柄滑块机构
D.
双摇杆机构
查看完整题目与答案
【简答题】______=______÷20=4()=0.8=______%20：______=______÷20= 4 () =0.8=______%
查看完整题目与答案
【单选题】特殊变星中的Wolf-Rayer变星的光谱中全部是什么线?
A.
反射线
B.
折射线
C.
激发线
D.
发射线
查看完整题目与答案
【简答题】(过去或将来的)某一天,有一天
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