Recently some studies have found that learning ___________ second language can l

题型：不详难度：来源：

Recently some studies have found that learning ___________ second language can lead to __________ increase in one’s brain power.

A．a; the

B．不填; the

C．a; an

D．the; an

答案

解析

略

举一反三

第二部分：英语知识运用（共两节，满分45分）
第一节单项填空（共15小题，每小题1分，满分15分）
Appointed as__ambassador to the UN, he was determined to serve his country__heart and soul.

A．/; /

B．the; the

C．an; the

D．the; a

题型：不详难度：| 查看答案

There has been_____ rising demand for grain as_____ industrial material in spite of the nation’s
good harvests.

A．/, an

B．a, an

C．the, an

D．a, /

题型：不详难度：| 查看答案

The horse is ___ useful animal.

A．a

B．an

C．the

D．a

题型：不详难度：| 查看答案

The medical reform in that country turns out to be _________ failure, but, as we know, success often comes after ________ failure.

A．a, a

B．the, the

C．a, /

D．/ , /

题型：不详难度：| 查看答案

Everyone knows that ______ paper was invented by _______ Chinese.

A．/; the

B．the; a

C．a; /

D．a; a

题型：不详难度：| 查看答案