[单项选择]You can’t let your eyes glide across the lines of a book and ______ an understanding of what you have read.
A. come up to
B. come across
C. come around
D. come up with

[单项选择]Section B What’s that on your pizza You can bet it’s not just the extra cheese and onions you ordered. As matter of fact, you can count on at least a dozen other extra additives that you never asked for. (61) However, additives are nothing new, and neither is the controversy surrounding them. London in the 18th century could have been called the "adulterated food capital of the world." though it’s likely that other cities in other countries were just as guilty of the practice of food adulteration. One might think that food in the "old days" was pure and simple, but in many cases, what people paid for was not what they were getting. When black Indian tea became popular, it was common for manufacturers to buy up used tea leaves, which they stiffened with a gum solution and then tinted with lead, another dangerous substance. Practices like that eventually came to the public’s attention, and in 1860 the first British Food and Drug Act was passed. (62)

[单项选择]You must keep your eyes （）.
A. closed
B. close
C. be closed
D. to closed

[单项选择]You should have your eyes tested every year in case the （　） of your spectacles need changing.
A. lenses
B. glasses
C. sights
D. crystals

[单项选择] When you first drift off into slumber, your eyes will roll about a bit, your temperature will drop slightly, your muscles will relax, and your breathing will become quite regular. Your brain waves slow down a bit, with the alpha rhythm predominating for the first few minutes. This is the first stage of sleep. For the next 30 minutes or so, you will drift down through Stage 2 and Stage 3. The lower your stage of sleep, the slower your brain waves will be. About 40-60 minutes after you lose consciousness, you will reach the last stage. Your brain waves will show the delta rhythm. You may think that you stay at this deep stage all the rest of the night, but that turns out not to be the case. About 80 minutes after you fall into slumber, your activity cycle will increase slightly. The delta rhythm will disappear, to be replaced by the activity pattern of brain waves. Your eyes will begin to dart around under your closed eyelids. This period of Rapid Eye Movements lasts for 8-15 minutes
A. is one stage
B. are two stages
C. are six stages
D. are four stages

[单项选择]

When you close your eyes and try to think of the shape of your own body, what you (35) is quite different (36) what you see when you open your eyes and look (37) the mirror. The image you feel (38) is a bit different from the one you see. And if (39) lie still, it is quite hard to imagine yourself as having any particular size or (40) .
When you move, when feel the weight of your arms and (41) , the ’felt’ image of (42) starts to become clearer. The image you create for yourself is rather (43) : some parts feel much (44) than they look. If you use your tongue to feel a hole in one of your (45) , it (46) so large; you are often (47) by how small it looks when you see (48) in the mirror.
But although the ’felt’ (49) may not have the shape you see in the mirror, it is much (50) important. It is the image through (51) you see y
A. in
B. at
C. for
D. by