1 . —Jessie, where are you going this summer holiday?
—Yunnan. The weather is fine with temperatures in the 　　　.

A．twenty

B．twenty’s

C．twenties

D．twentieth

2 . I have won the contest twice before. I can win for　　　time.

A．the three

B．third

C．a third

D．three

3 . —People in our town planted 　　　trees on Tree Planting Day.
—Good job! Everyone can do something to make our town greener.

A．hundred

B．hundred of

C．hundreds

D．hundreds of

4 . Peng Min finally became the winner of 　　　season of CCTV’s Chinese Poetry Conference.

A．five

B．fifth

C．the fifth

D．fifths

5 . You ought to carry on with your dream,______ facing a lot of difficulty.

A．as if

B．in case of

C．so long as

D．even if

6 . It’s a fact that most children have an ______ for learning, which is a treasure.

A．welfare

B．capsule

C．appetite

D．melody

7 . The evidence is __________ to prove his crime.

A．flexible

B．accurate

C．sufficient

D．temporary

8 . The new policy is expected to __________ reducing traffic jam in the city.

A．figure out

B．contribute to

C．relate to

D．account for

9 . It is an effective medical treatment and could cure all the leprosy sufferers worldwide.

A．措施

B．解决

C．治愈

D．药物

10 . ______ the prices of oil ______, many people have chosen to take public transport.

A．With; going up

B．With; gone up

C．As; going up

D．As; gone up