皮皮学,免费搜题
登录
搜题
【单选题】
下列变化中不属于氮的固定的是()
A.
工业上合成氨
B.
氮气被氧化为氮的氧化物
C.
豆科作物的根瘤菌使空气中的氮转化为氨
D.
由氨制备碳酸氢铵或硫酸铵
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
【单选题】连续单向板的厚度一般不应小于( )
A.
lo/35
B.
lo/40
C.
lo/45
D.
lo/50
【简答题】A. It' s quiet in the restaurant. B. The price is high in the restaurant. C. The restaurant serves good food. D. The restaurant is too far from their school.
【单选题】Which restaurant has a discount today?
A.
Seafood Restaurant.
B.
Sichuan Restaurant.
C.
A western restaurant.
D.
Xingfu Restaurant.
【单选题】Never keep _____ with dishonest persons. [     ]
A.
safety
B.
company
C.
house
D.
friend
【单选题】Which restaurant will they go?
A.
Seafood Restaurant.
B.
Sichuan Restaurant.
C.
A western restaurant.
D.
The school canteen.
【单选题】电子商务分为B to C、B to B、B to G、C to G是按照( )分类的。
A.
交易对象
B.
商务活动内容
C.
使用网络类型
【单选题】电子商务交易分为有形产品和无形产品两类按照的分类方式是依据( )。
A.
对象分类
B.
终端分类
C.
过程分类
D.
内容分类
【简答题】What is the offer of the restaurant? The offer of the restaurant is______.
【单选题】屋盖、楼盖及楼梯等受弯构件中,当lo<7m时,其挠度限值为 ( )。
A.
lo/200
B.
lo/250
C.
lo/300
D.
lo/400
【单选题】— I'd rather go to the Blue Moon Restaurant because I prefer soft music while eating. —  _________ Loud music makes me tense.
A.
My pleasure.
B.
How so?
C.
At your service.
D.
Me too!
相关题目: