1 . Qomolangma is 8,844.43 meters high. It’s __________ mountain in the world.

A．high

B．higher

C．the highest

2 . It is well known the Amazon River is one of the ________ rivers in the world.

A．longer

B．longest

C．long

3 . —Did Kate win the first prize in the high jump?
—Yes. She jumped ________ of all the players.

A．high

B．higher

C．the highest

4 . The Yangtze River is one of the ________ (long) rivers in the world.

5 . Yuan Longping is one of ________ (famous) scientists all over the world.

6 . —Frank, I heard that Huashan Reservoir (水库) is one of the ________ (深) reservoirs in Hezhou. Let’s go swimming there during the hot summer vacation, it’s cool!
—Oh, no. We mustn’t swim in the reservoirs, it’s dangerous.

7 . The Amazon is the second ________ (long) river in the world.

8 . —Why do you always buy clothes from Miller’s?
—Because they’re ________ of all the stores. I can use less money to buy more clothes there.

A．more expensive

B．the most expensive.

C．less expensive

D．the least expensive

9 . Linda is the tallest girl in her class except Mary. (改为同义句)
Linda is ________________ girl in her class.

10 . —Is Jack one of _____ runners in your class？
—Of course! And he runs much ______ than any other student.

A．fast; faster	B．faster; fast
C．the fastest; faster	D．faster; the fastest