题目内容：

    Curtis Whitson, a regular rafter(漂流者), was trapped at the top of a waterfall with his son, Hunter.

This year,________snow and spring rains had turned the usually manageable falls into something________. Telling from the increasing sound of water, Whitson knew there was no way to go down the rocks as________.

They had no cell service, and they hadn't seen a________person in the past three days. As Whitson was thinking about what to do, he heard________coming from the other side of the waterfall. He________, but the sound of the rushing water________his cry.

“We have to get these people a________,” Whitson thought. Meanwhile, he grabbed his water bottle and pulled out his pocket knife to________“Help!” on it. Hunter found a pen and paper to write a note. Then Whitson________threw the bottle over the waterfall. But he________no response for a long time.

With no reasonable________that their message in a bottle would find its way to anyone, they had another________: They spelled out SOS in white rocks. As the evening wore on, they________a flashing headlamp aside so that it could be seen from overhead. Soon after, they heard a________coming with the________words: “This is Search and Rescue. You have been found.” After________the helicopter, they got the whole story that two hikers________the bottle and handed it to the campground.

This________rafting made Whitson and his son realize that with strong faith we will get a stone of________out of the mountain of despair(绝望).

1.A.permanent B.frozen C.heavy D.soft

2.A.fierce B.small C.unique D.splendid

3.A.tracked B.ordered C.presented D.planned

4.A.responsible B.single C.helpful D.skilled

5.A.news B.sigh C.voices D.advice

6.A.complained B.cheered C.struggled D.yelled

7.A.stopped B.covered C.strengthened D.answered

8.A.call B.notice C.message D.warning

9.A.strike B.carve C.sign D.form

10.A.perfectly B.quietly C.casually D.repeatedly

11.A.received B.showed C.made D.required

12.A.decision B.arrangement C.choice D.expectation

13.A.throw B.trouble C.tool D.try

14.A.placed B.pushed C.deserted D.dropped

15.A.car B.helicopter C.person D.ship

16.A.crazy B.grateful C.magic D.gentle

17.A.searching B.spotting C.following D.boarding

18.A.glanced at B.picked up C.looked for D.dug out

19.A.unusual B.exciting C.normal D.pleasant

20.A.success B.scare C.hope D.misfortune