The best title of the passage may be______.

ARereading is an effective way of memorizing words.

BYou can enhance the efficiency of learning by reviewing regularly.

CWe should injudiciously copy the most important facts of material into our notebooks.

DIt’s better to take notes using a laptop than with a pen and paper， because writing by hand is slower than typing.

AA pond in the center.

BAroma of flowers.

CMoonlight.

DBirds’singing.

ASand boarding.

BHiking.

CParagliding.

DSurfing.

Aenforcement

Binvestigative， prosecutorial， and legislative capacities

Cgovernment cooperation

DAll of the above

AChinese young people helped us improve the production.

BThe factory was established four decades ago.

CThis factory is all built by Chinese people.

DChinese young people helped to renovate this old factory.

AThey talk about race directly.

BThey don't think it decent to talk about race.

CThey think people do not have the right to talk about race openly.

DThey often talk about race indirectly.

AThree memory hacks to make you smarter

BHow to use study strategies more effectively

CThe potential pitfalls of study strategies

DThe reasons for ineffective learning

A7 million people

B25 million people

C33 million people

D17 million people

AThey were mostly built in the late-Qing Dynasty.

BThey were private gardens.

CThey were built by emperors for retired officials.

DTheir style and size were similar to those of royal palaces.

AThe speaker believes that his wife， kids and work are the most important.

BThe speaker is starting to do some trading.

CThe speaker is too busy with his family that he has no time for trading.

DThe speaker believes that family is more important than trading.