[填空题]How can that helicopter work

[填空题]How can that helicopter work

[填空题]If you know how to manage your work, you can work effectively. Firstly, keep your desk tidy and all your files (11) . This will help you find your files easily every time you need them. Secondly, you need to make a list of the things that you have to do every day, from the most important thing to the (12) important one. Moreover, it is suggested that you finish one task (13) before moving on to the next. Thirdly, it is important to take a (14) after you go home. If you have enough rest, you will feel (15) the following day and it will really help you manage your work effectively.

[单项选择]How can he do so much work He （　） stay late at the office every evening and take work home at weekends.
A. need
B. can
C. might
D. must

[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]

M: How can I get to work without a car
W: Why don t you call a taxi

What does the woman suggest that he do （）
A. Work on his car.
B. Call a friend.
C. Take a taxi.
D. Walk to work.

[单项选择]

[听力原文]
M: How can I get to work without a car
W: Why don’t you call a taxi

What does the woman suggest that he do （）
A. Work on his car.
B. Call a friend.
C. Take a taxi.
D. Walk to work.

[填空题]How can we support mechanism