[填空题]The two boys(sit) ______ near their table heard their quarrel.

[填空题]The two boys(sit) ______ near their table heard their quarrel.

[简答题]In relation to breach of contract, explain two situations in which the innocent party can choose to terminate the contract, in addition to suing for damages. (10 marks)

[单项选择]

It is unfair to force boys to sit quietly at their desks. True False

[单项选择]Scientists have known for more than two decades that cancer is a disease of the genes. Something scrambles the DNA inside a nucleus, and suddenly, instead of dividing in a measured fashion, a cell begins to copy itself furiously. Unlike an ordinary cell, it never, stops. But describing the process isn’t the same as figuring it out. Cancer cells are so radically different from normal ones that it’s almost impossible to untangle the sequence of events that made them that way. So for years researchers have been attacking the problem by taking normal cells and trying to determine what changes will turn them cancerous - always Without success.
According to a report in the current issue of Nature, a team of scientists based at M. I .T.’s Whitehead Institute for Biomedical Research has finally managed to make human ceils malignant -a feat they accomplished with two different cell types by inserting just three altered genes into their DNA. While these manipulations were done only in lab d
A. how cancer ceils are formed
B. why cancer cells never stop dividing
C. why normal cells can turn into cancer cells
D. how different normal cells are from cancer cells

[填空题]Impersonal conversation at a distance of two or three feet is normally appropriate for both South Americans and North Americans.

[单项选择]Just 10 years into a new century, more than two-thirds of the country sees the past decade as a period of decline for the U. S. , according to a new TIME poll that probed Americans on the decade since the tragic events of Sept. 11, 2001. The poll confirms that the country is going through one of its longest sustained periods of unhappiness and pessimism ever. Today’s teenagers hardly remember a time before 9/11, the war on terrorism, the war in Iraq and constant economic upheaval. Baby boomers, the generation known for continuous reinvention, are filled with worry and doubt about their future and the future of their children.
It is hard to overstate what a fundamental change this represents. A country long celebrated for its optimism amid adversity is having trouble finding the pluck and the spirit that have seen it through everything from world wars to nuclear threats to space races. The U
A. arrogant
B. detached
C. involved
D. patriotic

[单项选择]The operation could ________ her life by two or three years.
A. prolong
B. increase
C. expand
D. continue

[单项选择]Passage Two