发生在（）世纪60年代的第一次技术革命是以蒸汽机的发明和广泛应用为标志。发生在（）世

Tom and Fred are talking about the year 2020. “What will our world be like in the year 2020?” asks Tom.

“I don’t know,” says Fred.

“What do you think?” asks Tom.

“Well, no one knows, but it’s interesting to guess,” says Fred.

“In the year 2020 everyone will carry a pocket computer. The computer will give people the answer to all their problem. We will have telephones in our pockets, too, and we will be able to talk to our friends,” says Tom.

“A lot of people will live and work under the sea. Machines will do most of the work, and so people will have more holidays. They will be able to fly to the moon by spaceship and spend their holidays there,” says Fred.

“And I hope I will be able to live under the sea,” says Tom. “Won’t that be very interesting? Just like a fish.”

小题1:Tom and Fred are talking about _______.

A．their school life

B．some interesting information

C．their life now

D．their life in the future小题2:Machines will do _______ of the work.

A．most

B．some

C．much

D．little小题3:In 2020, we’ll talk to friends at all times and everywhere, because we’ll have ______.

A．pocket computers

B．more holidays

C．pocket telephones

D．go on sale小题4:Tom says _______.

A．he likes fish very much

B．he’d like to live under the sea like a fish.

C．he will go fishing under the sea.

D．he will spend holidays on the moon.小题5: Which of the following is NOT mentioned?

A．People will be able to fly to the moon in a spaceship.

B．People will have more holidays.

C．Many people will live and work under the sea.

D．People will build farms under the sea.

函数的傅立叶系数a₀=( )

下列使用13%税率的项目有( )。

A．销售农机整机

B．销售农机零件

C．加工农机的加工费收入

D．加工农机零件的加工费收入

下列对呋塞米的描述哪项不正确（）

A.具有酸性

B.与硫酸铜生成绿色沉淀

C.作用缓慢

D.溶于氢氧化钠

E.可加速药物排泄预防药物中毒