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________ we have already decided, we have to move on rather than hesitate
A
Which
B
What
C
When
D
As
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D
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. A. Authentic B. Faithful C. Genuine D. pure
英译汉专项练习（6）
China's new food law provides for a food recall system _____ producers have to stop production if their food isn't up to standards.(1分)
That’s all there is____ on this subject.
You will have to pay a fine ______ you return those books to the library immediately.(1分)
Helen caught a bad cold, so she couldn’t go to the party after all. But I’m sure she would have enjoyed it if _______.(1分)
24.2 The first paragraph mainly discusses ________.(2分)
Tim Bemers-Lee is generally considered _____ the World Wide Web, on which all the information is shared by all.(1分)
22.Fifty volunteers were alphabetically divided into two equal groups, Group A to participate in a 7 week exercise program, Group B to avoid deliberate exercise of any sort during those 7 weeks. On the day before the exercise program began, all 50 men participated in a step-test. This consisted of stepping up down on a 16-inch bench at 30 steps a minute for 5 minutes. One minute after completion of the step-test, the pulse rate of each subject was taken had recorded. This served as the pretest for the experiment. For the next 7 weeks, subjects in the experimental group (Group A) rode an Exercycle (a motor-driven bicycle-type exercise machine) for 15 minutes each day. The exercise schedule called for riders to ride relaxed during the first day's ride, merely holding on to the handle bars foot pedals as the machine moved. Then, for the next 3 days, they rode relaxed for 50 seconds of each minute, pushed, pulled, pedaled actively for 10 seconds of each minute. The ratio of active riding was increased every few days, so that by the third week it was half of each minute, by the seventh week the riders were performing 15 solid minutes of active riding.
Snow is a subject of great interest to weather experts. They sometimes have difficulty (1)______ where, when or how much snow will (2)______. One reason is that heavy amounts of snow fall in surprisingly small areas.(3)______reason is that a small change in temperature can mean the difference between snow rain. Just what is snow, anyway? Snow is a form of frozen(4)______. It contains groups of ice particles(5)______snow crystals. These crystals grow from water droplets in cold clouds. They usually grow around dust particles.(6)______ , snow ice appear white. This is because the(7)______we see from the sun is white. Most natural materials (8)______some sunlight. This gives them their color. However, when light(9)______ from air to snow, some light is sent back, or reflected. Snow crystals have many surfaces to reflect sunlight. Yet the snow does absorb a little sunlight. It is this light that gives snow its(10)______appearance.(10分)1. A.estimate B.Estimating C.being estimated D.estimated
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