.According to some doctors, one of the ways to prevent us from growing old is to

题型：不详难度：来源：

.
According to some doctors, one of the ways to prevent us from growing old is to make sure
that our brains get enough___.

A．performance

B．exercise

C．experience

D．sport

答案

解析

略

举一反三

---I have _______that he will continue to rise to the challenges ahead.
---Absolutely.

A．no doubt

B．no wonder

C．no problem

D．no way

题型：不详难度：| 查看答案

Whenever she is in trouble, her parents always come to her_____, which makes her thankful.

A．houses

B．family

C．assistance

D．safety

题型：不详难度：| 查看答案

.Being a teacher for many years,he has learned a__________to remember students’names.

A．idea

B．thought

C．trick

D．mean

题型：不详难度：| 查看答案

．In the USA, one needs to make a(n) _________before seeing a doctor．

A．choice

B．appointment

C．impression

D．excuse

题型：不详难度：| 查看答案

.People who do not smoke have less ____________ of suffering from lung cancer than those who do so.

A．potential

B．cause

C．hope

D．choice

题型：不详难度：| 查看答案