题目

Why does the author mention electric eels?

A

To warn the reader to stay away from them

B

To compare their voltage to that used in houses

C

To give an example of a living electrical generator

D

To describe a new source of electrical power

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考点:阅读选择

文中作者提到电鳗,是将其作为一个“活的发电机”的例子来加以介绍的。

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【单选】

With which aspect of British Columbia is the passage primarily concerned?()

A

 Its climate

B

 Its culture

C

 Its geography

D

Its history

In which part of British Columbia can a mild climate be found?()

A

 In the southwest

B

Inland from the coast

C

 In the north

D

On the entire west coast

In Paragraph 5, the word"heavily"could best be replaced by which of the following?()

A

Widely

B

Densely

C

Chiefly

D

Largely

Which of the following is NOT mentioned as a tree found in British Columbia?()

A

Hemlock

B

 Cedar

C

 Fir

D

Pine

What effect do the mountains have on winds?()

A

Make them dry.

B

Make them wet.

C

Make them cool.

D

 Make them weak.

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