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________ you met the foreigner from Canada?

A. Where it was that                        B Who it was that

C. Where was it that                        D.  Where was that

The doctors and nurses did as much as they could ____the injured children.

       A. save                     B. to save                  C. saving                  D. saved

We _____ plenty of fresh air and moderate exercise for our health.

       A. give in                  B. believe in               C. bring in                 D. call in

 If this book is not yours, ____ can it be?

       A. what else              B. who else               C. which else’s          D. who else’s

 The two girls are similar ____ age and body.

       A. with                     B. to                         C. at                         D. in

_____seemed that no one knew ____had happened.

       A. It; what                B. It; which               C. That; that              D. What; which

Tom got very angry when the other boys played a ____on him and hid shoes when he ____.

　　　 A. role; was swimming　　　　　　　　　　　　　　 B. trick; was swimming

　　　 C. part; swam D. card; swam

—Could I use your dictionary for a while?

   —Of course, you ____.

       A. would                   B. could                    C. can                      D. must

72．Which of the following may have wonderful decorations at some of the stations?

       A．The Moscos Metro.                             B．The Tokyo Metro and Toei Lines.

       C．The London Metro.                              D．The Hong Kong MTR.

73．          is done with the purpose of making money.

       A．The Tokyo Metro and Toei Lines.          B．The Moscow Metro.      

       C．The Hong Kong MTR                          D．The London Metro

74．We can learn from the passage that Shanghai Metro          .

       A．carries the most people each day           B．may he larger than the Chicago “L” in the future

       C．is the world’s largest.                           D．is the busiest in the world

75．How many subways carry more than 5 million people per day?

       A．3.                       B．2.                       C．4.                       D．5.

Our everyday lives are essentially killing the environment. There are certainly important changes that need to be made at every level--statewide, nationwide, and even worldwide--that can help preserve the Earth. That doesn't mean, though, that there's nothing that can be done on an individual level.

We spoke to eight of the country's leading environmentalists and asked them this question: Their individual answer varied, but the point they truly wanted to stress did not: One person can make a difference.

The other common idea was that they had a difficult time limiting it to only one tip. Matt Peterson, president of Global Green USA, recommended that, in the long run, we rebuild our buildings so that they are green.

Dr. Brent Blackwelder, president of Friends of the Earth, emphasizes the importance of the state and federal tax code on the energy choices we make, and feels that this is a widely overlooked（被忽視的） issue. " One example cited is the "gas-guzzler（耗油量極大的汽車） tax," as it is often referred to. This tax loophole（漏洞）has encouraged automakers to focus their production and advertising efforts on the products that end up being the biggest gas-guzzlers and polluters.

Equally the carbon footprint, measured in carbon dioxide units, calculates the impact human beings have on the environment in terms of the amount of greenhouses gases produced.

Both our direct emissions（排放） of carbon dioxide, like the burning of fossil fuels and the indirect emissions of carbon dioxide as a result of the manufacture and breakdown of everyday products are calculated into the carbon footprint measurement. Commonplace activities like eating red meat and drinking bottled water are slowly but surely contributing to the devastation of our environment.

So take our experts' tips into consideration. This Earth Day, give Mother Nature the day off. Take public transportation, turn out your lights, and try not to print every one of your e-mails. It's the little things that really can make a difference.

68．According to the passage, eight environmentalists　　　　 .

　　　 A．didn’t agree with each other at all.

　　　 B．had to same suggestion

　　　 C．agreed each person could lay a part in environment protection

　　　 D．came from different countries

69．Dr. Brent Blackwelder held the view that　　　　 .

　　　 A．we should build more green buildings

　　　 B．drivers using gas-guzzlers should pay higher tax

　　　 C．federal government has paid much attention to the problem caused by gas-guzzlers

　　　 D．gas-guzzlers produced less pollution than expected

70．Which of the following belongs to the direct emissions of carbon dioxide?

　　　 A．Fossil fuel.　　　　　　　　　　　　　　　　　　　　 B．Everyday products.

　　　 C．Drinking bottled water.　　　　　　　　　　　　 D．Eating red meat.

71．What is mainly discussed in this passage?

　　　 A．Carbon footprint.　　　　　　　　　　　　　　　　 B．Gas-guzzler tax.

　　　 C．Celebration of the Earth Day.　　　　　　　 D．Saving our earth.