[填空题]How often does the office sell lost items

[填空题]When does the lost property office open

[单项选择]How exactly, does science work How do scientists go about doing science Ordinarily we think science proceeds in a straight-forward way. Ideally scientists make observations, formulate hypotheses (假设), and test those hypotheses by making further observations. When there is difference between what is observed and what is predicted by the hypothesis, the hypothesis is revised. Science proceeds in this way, which is a gradual method of finding the best fit between observation and prediction.
But this idealized version of how one does science is naive. Although science demands proof that observations made by one observer be observable by other observers using the same methods, it is by no means dear that, even when confronted with identical phenomena, different observers will report identical observations. And it is most certain that, even if the same observations are made, the conclusions as to the meaning of the observations frequently differ.
The fact is that all of us, s
A. The research methods used by scientists.
B. Observation and human perception variation.
C. The relation between hypothesis and observation.
D. The human perceptual mechanism.

[单项选择]What changes does computer have How（）
A. It becomes smaller and works faster.
B. It becomes larger and works faster.
C. It works as larger and works slower.
D. It becomes smaller and works slower.

[单项选择]

If personal items are lost, destroyed or damaged, the insurance company will usually
A. allow the student to buy a similar replacement item at the current cost.
B. give the student the sum of money the item originally cost.
C. give the student a fixed amount.
D. get the money from the thief.

[单项选择]

M: How does the new computer X-515 sell
W: It doesn’t sell as well as X-525.

What can we leam from the dialogue （　）
A. X-515 sells better than X-525.
B. X-515 sells as well as X-525.
C. X-525 sells better than X-515.
D. X-525 doesn’t sells as well as X-515.

[单项选择]What does the bookshop sell

[单项选择]
What does the man sell

[单项选择]How does Susan feel
A. Satisfied.
B. Happy.
C. Tired.
D. Discouraged.

[单项选择]How does acupuncture work
A. It works on rheumatism.
B. It works on blood.
C. It works on arms and legs.
D. It works on energy balance.

[单项选择]
How much money was lost

[单项选择]The air inside .a house on office building often has more contaminants（）the heavily polluted air outside.
A. than does
B. as
C. as some that are
D. than that of

[单项选择]Which postcard does Smith think he has lost
A. Hong Kong.
B. Big Ben.
C. Annecy.
D. Laos.

[填空题]How does the polygraph work

[单项选择]
How does the man feel