Question

【題目】閱讀下面材料，在空白處填人適當?shù)膬?nèi)容（1個單詞）或括號內(nèi)單詞的正確形式。將答案填寫在答題卡的相應(yīng)位置。

The History of Air Conditioners

The first practical cooling system for use in industry 【1】 (invent) in 1902 by Willis Carrier in New York, the USA. He continued to improve 【2】 （he) invention and, in 1928, developed the first air conditioner for home use. In 1939, an American car company introduced the first air conditioner for cars, 【3】 (make) driving more comfortable.

After World War II many American 【4】 (company) began making air conditioners and, beginning in 1950, many homes in the USA were equipped 【5】 central air conditioning. Central air conditioning uses a single unit【6】 （heat) or cool a whole house. With this, people could escape the heat of summer and the cold of winter no matter 【7】 they were in the house.

In the 1970s, electricity 【8】 （become) more expensive, so people developed 【9】(good) air conditioners to save money. Later, the cooling gas in air conditioners was found to pollute the environment, so engineers have been working to produce air conditioners more friendly to the environment 【10】 the 1980s.

Answer 1

【答案】

【1】was invented

【2】his

【3】making

【4】companies

【5】with

【6】to heat

【7】where

【8】became

【9】better

【10】since

【解析】

【1】was invented 考查動詞的時態(tài)。根據(jù)in 1902可知用一般過去時，再根據(jù)句意可知用被動語態(tài)。

【2】his 考查代詞。句意：他繼續(xù)改善也的發(fā)明。

【3】making 考查非謂語動詞 。句意：在1939年美國汽車公司把空調(diào)用于汽車，讓駕駛更舒適。

【4】companies 考查名詞的復(fù)數(shù)。根據(jù)many修飾可數(shù)的復(fù)數(shù)形式

【5】with 考查介詞 。be equipped with 裝備。

【6】to heat 考查非謂語動詞 。句意：中間的空調(diào)用一個單獨的單元來加熱或冷凍到整個房間。

【7】where 考查讓步狀語從句。句意：用這個東西，無論在房間的哪個位置，人們在夏季可以涼爽。

【8】became 考查動詞的時態(tài)。根據(jù)In the 1970s可知用一般過去時；

【9】better 考查形容詞的比較級。句意：在20世紀70年代，電變得越來越貴，因此人們要更好的空調(diào)來省錢。

【10】since 考查連詞。Since引導時間狀語，主句用現(xiàn)在完成時；

考點 ：七選五。