How many people are infected with HIV virus?

AIt is modern and well-planned.

BIt is hard to tell according to the passage.

CThe road condition is complex.

DAll of the above.

Which of the following is NOT true?

AThe world economy sometimes booms and sometimes slumps.

BHuman beings have been pursuing development and progress.

CThe trend toward openness and integration among countries is unstoppable.

DAll countries in the world have been open and integrated with each other.

AWomen become more bearable.

BSociety become more stable.

CThey want to enjoy life.

DThey are prevented by other people.

ASomebody regarded as proud.

BSomebody regarded as lazy.

CSomebody regarded as sensitive.

DSomebody regarded as diligent.

A7 g.

B70 g.

C70 mg.

D700 mg.

APeople are paying more attention to the flight costs.

BThe decision of your friends may influence your decision.

CPeople tend to fly less.

DIn order to reduce fuel expenses, people are trying to fly less.

AParking places.

BShort sleeping periods.

CCredit cards.

DSnacks.