题目内容

【题目】河西走廊属于甘肃省率先脱贫奔小康的地区,也是西部大开发的热点地区。但在经济发展中对资源利用不合理,防护林网建设滞后。甚至民勤县在20世纪50年代种植的沙枣林至今已有近一半消失,从而导致风沙肆虐频繁,土地荒漠化严重。为此,甘肃省委、省政府近年提出要再造河西,现在,河西走廊各地都在紧锣密鼓地实施再造林工程。据此回答下列问题。

【1】沙枣林死亡的原因可能是

A水资源不合理利用 B病虫害灾害

C林带过大、过密,林水矛盾突出 D全球气候变暖,气候过于湿润

【2】再造河西反映了西部大开发中首先解决的问题是

A大力开荒 B开发资源

C发展交通 D改善生态系统

【答案】

【1】A

【2】D

【解析】

试题分析:

【1】从材料中可看出,沙枣死亡的原因应是人为原因,河西走廊气候干旱,可能是水资源不合理利用,A正确。

【2】西部地区土地荒漠化严重,因此在西部大开发中首先解决的问题是改善生态系统,D正确。

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【题目】完形填空

阅读下面短文,从短文后各题所给的四个选项(A、B、C和D) 中,选出可以填入空白处的最佳选项。

Environmental protection is everywhere and Christmas is no exception. Going “green” has been so festive as in westernmost Canada two start-ups are offering an eco-friendly Christmas tree rental service for the holiday period.

For about 100 dollars, Evergrow Christmas Trees and Carbonsync Christmas will a potted tree at your home or business and three weeks later after all the have been opened and Santa has his sleigh.

Carbonsync plans to donate its to habitat restoration groups for replanting, while Evergrow says it will them to a nursery to be until next Christmas when they may be out again.

Trees cost four times less , but are usually turned into mulch or sent to garbage dumps after the holidays in most North American cities.

“What (folks) are doing now is they’re these hordes of trees everywhere in the Fraser Valley to ship to Vancouver, Brad Major of Carbonsync Christmas told public broadcaster CBC.

“These trees grow anywhere from 6 to 12 years to be one Christmas, and all these trees go to the landfill, and it’s a huge pile of trees, he said. “It’s like the biggest of a resource.

The firm’s trees will also continue to CO2 from the atmosphere, doing their bit to help curb global warming ending up as waste.

And if a family , they may even rent the same tree year after year from Evergrow, it has not grown too large to their living room.

【1】A. ever B. never C. once D. recently

【2】A. where B. that C. which D. when

【3】A. drop up B. drop in C. drop off D. drop out

【4】A. pick it out B. pick it on C. pick it away D. pick it up

【5】A. cards B. boxes C. presents D. letters

【6】A. parked B. started C. driven D. made

【7】A. pots B. sleighs C. trees D. presents

【8】A. remove B. return C. replant D. resettle

【9】A. used for B. charged for C. cared for D. prepared for

【10】A. given B. donated C. rented D. sold

【11】A. properly B. normally C. totally D. probably

【12】A. on earth B. on business C. on average D. on sale

【13】A. donating B. renting C. growing D. replanting

【14】A. used for B. used as C. used to D. used during

【15】A. cost B. waste C. value D. usage

【16】A. draw B. breathe C. take D. absorb

【17】A. regardless of B. instead of C. in spite of D. in place of

【18】A. hopes B. expects C. wishes D. desires

【19】A. as soon as B. as much as C. as long as D. as quickly as

【20】A. turn in B. work in C. decorate in D. fit in

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