[填空题]When should invitations be issued
Between two or three weeks（）lime.

[简答题]
Should there be two focuses available in Chinese high schools (humanity focus and science focus) Please give specific reasons to support your argument.

[单项选择]What people should say when making a request（　）.
A. "Excuse me."
B. "Please."
C. "I’m sorry./

[填空题]Ground sea is formed when two plates are sliding toward each other and are tightly pushing together.

[单项选择]We should— when we want to glimpse inside the sun.
A. answer questions about its temperature
B. translate the sounds into images
C. know how gases inside ebb and flow
D. measure the pitch

[填空题]When two people are talking to each other, they tend to stand a specific distance apart. Each person has an {{U}} (36) {{/U}} boundary around their body into which other people may not come. If someone pierces this boundary, they will feel {{U}} (37) {{/U}} and move away to increase the distance between them. (The major {{U}} (38) {{/U}} is family members and other loved ones. ) This personal {{U}} (39) {{/U}} is not due to body odor or bad {{U}} (40) {{/U}} but because closeness lends a sense of intimacy that is at odds with their {{U}} (41) {{/U}} to the other individual. Interestingly, the {{U}} (42) {{/U}} personal distance varies from culture to culture. Americans tend to require more personal space than in other {{U}} (43) {{/U}}. So if you try to get too close to an American during your conversation, he or she will feel that you are "in their face" and will try to back away. Try to be aware of this, {{U}} (44) {{/U}}, don’t try to close the gap. {{U}} (45) {{/

[单项选择]When two of the world’s richest and mightiest men pledge to destroy an enemy, it is time to pay attention. Bill Gates, the former boss of Microsoft who now devotes all his time to his charitable foundation, travelled this week to New York, the city run by Michael Bloomberg, to join his fellow billionaire’s campaign to stamp out smoking.
Have the two potentates met their match Despite decades of work by health campaigners, more than one billion people still smoke today. Smoking kills up to half of those who fail to quit puffing, reducing their lives by an average of 10 to 15 years. The World Health Organisation (WHO) says more than 5 million people a year die early from the effects (direct or indirect) of tobacco. That exceeds the combined toll of HIV/AIDS, tuberculosis and malaria.
Despite that dismal situation, there are three reasons to give the latest pair of campaigners a slim chance of success: money, methods and motivation. Messrs Gates and Bloomberg vowed to spend a
A. It is backed by many powerful organizations and companies.
B. It has a clear idea of what measures should be taken.
C. It has top specialists of WHO being the counselors.
D. It adopts fiscal, administrative and medical measures.