Question

【題目】根據短文內容，從短文后的選項中選出能填入空白處的最佳選項。選項中有兩項為多余

選項。

【1】__ They provide him wood and other products; they give him shade; and they help to prevent drought and floods.

【2】___ In his eagerness to draw quick profit from the trees, he has cut them down in large numbers.

Two thousand years ago, a rich and powerful country cut down its trees to build warships, with which to gain itself an empire. It gained the empire but, without its trees, its soil became bare and poor. When the empire fell to pieces, the country found itself faced by floods and starvation.

Even where a government realizes the importance of a plentiful supply of trees, it is difficult sometimes to make the people realize this. 【3】 __ So unless the government has a good system of control, or can educate the people, the forests slowly disappear.

【4】__ The results are even more serious: for where there are trees, their roots break the soil up, allowing the rain to sink in, and also hold the soil. 【5】___ But where there are no trees, the rainfalls on hard ground and flows away on the surface, and this causes floods and the rain carries away the rich topsoil in which crops grow. When all the topsoil is gone, nothing remains but worthless desert．

A. Trees are useful to man in three very important ways.

B. This does not only mean that there will be fewer trees.

C. They cut down the trees but are too careless to plant and look after new trees.

D. If there were n more trees, something terrible would happen.

E. This prevent the soil from being washed away.

F. However, a lot of trees are being cut down.

G. Unfortunately, in many parts of the world, man has not realized the third of these services is the most important.

Answer 1

【答案】

【1】A

【2】G

【3】C

【4】B

【5】E

【解析】

試題分析：本文概括了樹木對人類的三個好處，提供木材和其它產品，提供陰涼，幫助人類防止洪災和旱災，人們沒有意識到樹木在防止洪災和旱災的重要性，還可以防止水土流失。

【1】A 根據下文提到They provide him wood and other products; they give him shade; and they help to prevent drought and floods.他們能提供木材和其它產品，提供陰涼，幫助人類防止洪災和旱災，故選A樹木的三個重要的用途。

【2】G 根據下文提到In his eagerness to draw quick profit from the trees, he has cut them down in large numbers.在吸收方面可以起到重要的作用，故選G項。

【3】C 根據上文提到Even where a government realizes the importance of a plentiful supply of trees, it is difficult sometimes to make the people realize this政府沒有意思到樹木的重要性，故選C他們砍樹但對于種樹和保護小樹非常粗心。

【4】B 根據下文提到The results are even more serious: for where there are trees, their roots break the soil up, allowing the rain to sink in, and also hold the soil結果非常嚴重，樹根不能保護土壤，故選B 這意味著不僅僅樹越來越少。

【5】E根據上文提到But where there are no trees, the rainfalls on hard ground and flows away on the surface, and this causes floods and the rain carries away the rich topsoil in which crops grow.但沒有樹，雨水沖刷地面，導致洪水，沖走豐富的土壤，故選E這能阻止土壤被沖走。