下列关于生物特征的描述,不准确的是( ) A.都需要营养 B.都能进行呼吸 C.

题型:选择题

问题:

下列关于生物特征的描述,不准确的是(  )

A.都需要营养

B.都能进行呼吸

C.都由细胞构成

D.都能对外界刺激作出反应

考点:生物及其特征
题型:选择题

七夕节,中国人通常吃什么()

A.蒿饼

B.巧果

C.汤圆

D.竹茼反

题型:选择题

阅读理解。

     One day. Mr Li and Mr King go to London to see their friend. They don't know much English and London.

They can't find their friend' s home. They walk in the street for a longtime. Then they see a man near a bus

stop. They go up to him and ask the way. The man smiles but says nothing. Then he puts his hand into his

pocket (口袋) and takes out a book. He opens the book and reads, "I'm sorry, I can't speak English.". In the

evening, they find their friend's home with the help of a policeman.

1. Where did Mr Li and Mr King go one day?

A. their home

B. a bus stop

C. their friend's home

D. the police station

2. Do they know London well?

A.Yes, they do.

B. No, they aren't.

C. No, they don't.

D. Yes, they are.

3. What does the man take out when they ask him the way?

A. a pocket

B. nothing

C. a book

D. a pen

4. The man doesn't help them because __________.

A. he doesn't like them.

B. he doesn't know them

C. he can't speak English

D. he wants to go home.

5. Who helps them find their friend's home?

A. the man

B. the book

C. a policeman.

D. their friend.

题型:选择题

二类容器:1)中压容器;2)易燃或毒性为中度危害介质的低压反应容器和贮存容器;3)毒性为极度和高度危害介质的()容器;4)低压管壳式余热锅炉;5)搪玻璃容器。

题型:选择题

已知y=f-1(x)是函数f(x)=x2+2(x≤0)的反函数,则f-1(3)=______.

题型:选择题

进行中长期天气预报属于计算机哪个应用领域( )

A.科学计算

B.事务处理

C.过程控制

D.人工智能

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