[单选题] The company has a free long-distance telephone number _____ customers may call with any questions they have about its products.

1、[单选题]The computer has brought about surprising technological changes ________ we organize and produce information.

• A、in a way
• B、in the way in which
• C、in that way
• D、in no way

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2、[单选题]Last summer I took a course on ______

• A、how to make dresses
• B、how dresses to make
• C、how to be made dresses
• D、how dresses to be made

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3、[单选题]The workers have built a lot of new houses in Shanghai ______

• A、in the past ten years
• B、for ten years
• C、last year
• D、ten years ago

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4、[单选题]The water will be further polluted unless some measures ______

• A、will be taken
• B、are taken
• C、were taken
• D、had been taken

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5、[单选题]Living in the central Australian desert has its problems,________ obtaining fresh water is not the least of which.

• A、for which
• B、to which
• C、of which
• D、in which

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