74. Why does the author encourage power plants to use biomass?

A. To prevent the waste of energy. B. To increase production safety.

C. To reduce pollution. D. To save money.

75. Where does the text probably come from?

A. A research plan. B. A science magazine

C. A book review. D. A business report.

In my family, there are three people. My father is 

72.【答案】C

【解析】细节理解题。根据第二段话because the energy it contains comes from the sun. When plant matter is burned, it gives off the sun’s energy. In this way, biomass serves as a sort of natural battery(电池) for storing the sun’s energy可知答案为C。

73.【答案】A

【解析】推理判断题。根据第三段话In 2008----although the numbers aren’t all in yet----wind power probably took over first place because of the rapid development of wind farms across the country可知，2008年风能占据首位。

74.【答案】C

【解析】推理判断题。根据最末一段Some homeowners also try to make their own heat by using biomass materials. Such practice may save homeowner’s money, but it also produces a lot of pollution. So, the best way is to encourage power plants to use it可知答案为C。

75.【答案】B

【解析】推理判断题。根据全文内容可知，本文是一篇有关生物量能源的科普类文章，故它应该是源于科学杂志，故选B。

第一节 短文改错

hardworking but goes to work in the field every day. 76. _______

He isn’t good at talk but he gets on well with other 77. _______

people. My mother is very much kind and is 78. _______

friendly to everybody. So when I have the problem 79. _______

I will turn to her for help. My friends say I am clever. 80. _______

When the teacher asks us very difficulty questions, 81. _______

I’ll think quickly and stand to answer. At home my 82. _______

Father often thinks I’m silly. He said if I decide 83. _______

To do something, it takes him much times to stop me. 84. _______

This is how I need to improve in the future. 85. _______

76.【答案】but----and

【解析】考查并列连词。根据句意，此处表顺接，不是转折关系，故改为and。

77.【答案】talk----talking

【解析】考查非谓语动词。此处at为介词，后用动名词。

78.【答案】去掉much。

【解析】考查副词用法。此处much不能修饰形容词原级。

79.【答案】the----a

【解析】考查冠词用法。此处泛指“问题”，用不定冠词。

80.【答案】正确

【解析】

81.【答案】difficulty----difficult

【解析】考查形容词用法。此处questions是名词，需用形容词修饰。

82.【答案】stand后加up

【解析】考查动词短语。此处句意为：站起来回答问题，故用stand up。