powerful

adj. having a lot of power:

The President is more powerful than the Prime Minister.

powerless

adj. having no power:

The villagers are powerless against the armed invaders.

练习：

1. The chair was too weak to _______ Mr. Smith.

A. hold up B. take up C. give up D. turn up

2. China is one of the developing countries _______ the third world.

　A. belonging to B. belongs to C. is belonging to D. are belonging to

3. It makes no sense to refer to the dictionary each time you _______ news words in reading.

A. deal with B. come up with C. meet with D. do with

4. -Did you ________ the meeting yesterday?

-No, we all the couples in their wedding party.

A. join; attended B. join; took part in

C. attend; attended D. attend; joined

5. The old man got into the _______ of storing money under the bed.

A. tradition B. habit C. use D. custom

6. Though he is a Scot, it is strange that he's got a strong French_________ .

A. local; speech B. local; accent C. native; speech D. native; accent

7-Yangyang carried off the first winter Olympic _______ medal for China.

-Great! What _______ she won for our motherland!

A. golden; honor B. gold; honor C. golden; honors D. gold; honors

8. -Why are you so late?

-The bus was _______ for an hour because a tree had fallen across the road.

A. held out B. held on C. held back D. held up

9. The village is a very different place _______ it was when I was a boy and there are many _______ the villagers' points of view.

A. from what; differences from B. from what; differences in