[填空题]It’s a waste of time(wait)（）here without doing anything.

[填空题]It’s a waste of time(wait)______here without doing anything.

[填空题]You should wait here before you sit down.

[单项选择]

M: Why don’t you wait here a few minutes and I’ll get my car
W: No, thank you. I’d better take the bus home.

What does the man want to do（　）.
A. He wants to look for his car.
B. He wants to give the woman a lift.
C. He wants to take the bus.

[填空题]We can’ t wait here all night. ______ (我们是不是定个时间), say, midnight or something

[填空题]The industrial waste is dumped into rivers without being filtered, thus contaminating the rivers and _________________(带来很大的害外)to the residents nearby.

[填空题]She needn’t come here any longer.
She ______ need ______ come here any longer.

[单项选择]Injuries can happen at any time, any place. When they do occur everyone likes to get the best treatment to help them heal quickly and properly. For athletes, the need to receive proper medical care is crucial in order for them to continue their sports careers. Athletes depend on the knowledge of doctors who are specially trained in sports medicine, which is a field of medicine that has grown rapidly since 1950s.
Sports medicine is more than just the treatment of injuries. It is also concerned with the prevention of injuries, the maintaining of a proper diet, the creation of individual exercise programs for an athlete and the mental preparation of the athlete. In general, sports medicine is relevant to all aspects of monitoring athletes while they are in training. The field of sports medicine includes nutrition, surgery, physical therapy, research, and orthopedics, which is the correction or cure of disease or deformities of bones, joints and muscles.
The doctors who specializ

[单项选择]What was the boy doing this time yesterday

[简答题]

What are you doing when you aren’t doing anything at all If you said "nothing," then you have just passed a test in logic and failed a test in neuroscience. (46)When people perform mental tasks, different areas of their brains become active, and brain scans show these active areas as brightly colored squares on an otherwise dull gray background. But researchers have recently discovered that when these areas of our brains light up, other areas go dark. This dark network is off when we seem to be on, and on when we seem to be off. When we appear to be doing nothing, we are clearly doing something. But what
The answer, it seems, is time travel. (47)The human body moves forward in time at the rate of one second per second whether we like it or not, but the human mind can move through time in any direction and at any speed it chooses. Why did evolution design our brains to go wandering in time Perhaps it’s because an experi- ence is a terrib