[单项选择]What is one of the things that must be done before man can live on Mars


A. Its surface must be studied.
B. Its temperature must be raised.
C. Big spaceships must be built.
D. Its air must be purifie

[单项选择]What is one of the things that must be done before man can live on Mars


A. Its surface must be studied.
B. Its temperature must be raised.
C. Big spaceships must be built.
D. Its air must be purifie

[单项选择]One ought ______ for what one hasn't done.
A. not to be punished
B. to not be punished
C. to not punished
D. not be punished

[单项选择]What was done with the extra paper （）
A. He gave half of it to his friend.
B. He threw half of it away.
C. He kept all the paper.
D. He threw half of it away and kept the rest.

[单项选择]To understand what true happiness is one must______.

[单项选择]According to the woman, what must be completed
A. A construction project
B. A fund transfer
C. Sales report
D. A training session

[填空题]What must the plaintiff prove in order to succeed in an action of negligence.

[单项选择]What must the explorers be, even though they have modem equipment and technique


A. Brave and tough.
B. Stubborn and arrogant.
C. Well-liked and humorous.
D. Stout and smart.

[单项选择]However late it is, he never puts off what must be done today till tomorrow.


A. 无论天有多晚，他从不把今天要发生的事拖到明天。
B. 不管多晚，他从不把今天的事拖到明天。
C. 不管天有多晚，他从未想过明天要做今天的事。
D. 无论事情发生的有多晚，他都会明天之前将它解决。

[单项选择]What must you do if you want to open a current account


A. You have to deposit some money.
B. You have to pay some money.
C. You have to present your ID card.
D. You have to present your credit card.

[填空题]Sydney Opera House must be one of the most recognizable images of the modem world—up there with the Eiffel Tower and the Empire State Building—and one of the most photographed. Not only is it recognizable, it has come to 1 "Australia". Although only having been open since 1973, it is as the symbol of Australia as the pyramids are of Egypt and the Colosseum of Rome.
The Opera House is situated on Bennelong Point, which reaches out into the harbor. The skyline of the Sydney Harbor Bridge, the blue water of the harbor and the Sydney- Opera House, viewed from a ferry or from the air, is 2 and unforgettable.
Ironic, perhaps, that this Australian icon—the Opera House—was designed by renowned (有名的) Danish architect—Jorn Utzon. In the late 1950s the New South Wales Government established an appeal 3 to finance the construction of the Sydney Opera House, and 4 a competition for its design. Utzon’s design was chosen.
The irony was that his design was, arguably, beyond the 5 of engineering at the time. Utzon spent a couple of years reworking the design. It was 1961 before he had solved the problem of how to build the 6 feature-the "sails" of the roof.
The venture experienced cost blow-outs and there were occasions when the NSW Government was tempted to 7 . In 1966 with arguments about cost and the interior design, and with the Government 8 progress payments, the situation reached crisis point. Then Jorn Utzon 9 the project. The building was 10 completed by others in 1973.