Question

     One of the most historic and significant landmarks in the United States is the San Francisco cable car system. It 1. (run) by the San rancisco Municipal Transportation Agency. The system dates back to 1878. 2. the California Street line first opened. In all,there are three lines 3. (current) operating in the city. There used to be 23 lines in use throughout the city 4. (connect) the diverse communities that make up San Francisco.

     Initially,the simple reason cable cars were used in the city 5. (be) because of its landscape.San Francisco is very hilly,which makes 6.impossible for buses to climb. The solution for this problem was the cable car.

     There are two types of cars today. Single-ended cars and double-ended cars. The single-ended cars have open-sided sections. These cars seat 29 passengers. They travel in both 7. (direction) by using a turntable that turns the car at the end of the line. The double-ended cars are a bit 8.(large) , and can hold up to 68 passengers. It has 34 seats,and grips(把手) for 9. (addition) 34 standing passengers. People who ride the San Francisco cable cars are stepping into part 10.California’s history.

Answer 1

1. is nm�？疾橐话悻F(xiàn)在時(shí)的被動(dòng)語.態(tài)。It與run (管理) 之間是被動(dòng)關(guān)系，且此處陳述客觀事實(shí)，故填is run.

2. when�？疾殛P(guān)系詞。設(shè)空處引導(dǎo)非 限制性定語從句修飾1878.且在從 句中作時(shí)間狀語，故填when。

3. currently�？疾楦痹~。設(shè)空處修飾 operating ,故填currently。

4. connecting�？疾閯�(dòng)詞-ing形式作定 語的用法。lines與connect之間是邏 輯上的主謂關(guān)系，故填connecting。

5. was�？疾橐话氵^去時(shí)。由Initially可知，be表示過去某一時(shí)間存在的狀態(tài)，且主語是reason ,故填was。

6. it�？疾閕t的用法。設(shè)空處作形式賓 語，真實(shí)賓語是fdr buses to climb ,故 填it。

7. directions�？疾槊�詞。both后需跟 名詞的復(fù)數(shù)形式，故填directions。

S.larger�？疾樾稳菰~的比較級(jí)。由前 文中的29 passengers和本句中的68 passengers可知，此處應(yīng)填比較級(jí) larger 。

9. additional,考查形容詞作定語的用 法。設(shè)空處修飾34 standing passengers ,故填 additional (另外的) 。

10. of�？紪私樵~。part of...意為“的一部分”。