题目内容
A．orB．ButC．andD．though
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What Is Cancer？
Cancer is actually a group of many related diseases that all have to do with cells. Cells are the very small units that make up all _______(51) things, including the human body. There are billions of cells________(52) each person's body.
Cancer happens when cells that are not normal grow_________53) spread very fast. Normal body cells grow and divide and know when to stop growing. Over time, they also die_________(54) these normal cells, cancer cells just continue to grow and divide out of control and don't die. Cancer cells usually group together to form. tumors(肿瘤).
A growing tumor becomes a lump of cancer cells__________(55) can destroy the normal cells around the ________(56) and damage the body's healthy tissues. This can make someone very_________(57).
Sometimes cancer cells break away from the original tumor and travel to other areas of the _______(58), where they keep growing and can go on to form. new tumors. This is how cancer_________(59). The spread of a tumor to a new place in the body is_________(60) metastasis (转移).
People with cancer may feel pretty sick at times--but can usually still do lots of normal things.________(61) they are very sick, kids and teenagers with cancer may still be able to go to school. They may be tired or bruise (出现青肿) easily, but they_______(62) sometimes go to camp, movies, and sleepover (在外过夜的) parties. People with cancer still like the same things they did__________(63) they got sick.
Cancer in kids is rare---but today, many kids who do get cancer go on living normal lives. The number of kids who beat cancer goes_________(64) every year because of new cancer treatments. So a lot of kids with cancer will some day drive cars, go to college, have careers, and even get___________(65) and have families of their own.
第 51 题
A．UnlessB．IfC．AlthoughD．Before
Breakfast
Studies show that children who eat breakfast do better in school. It doesn't take much further thought to believe that adults will feel better and perform. better at work as well. Whether you work at home, on the farm, at the office, at school, or on the road, it is not a good idea to skip (故意略去) breakfast.
If we don't eat breakfast, we are likely to become tired when our brains and bodies run low on fuel. By mid-morning, a lot of us grab a cup of coffee, or wolf down a sugary candy bar to wake up again. This might work for a few minutes, but by lunchtime we are hungry, bad-tempered, and perhaps our mood might make us a little more likely to make unhealthy choices at lunch. Eating a good breakfast sets the tone for the rest of the day.
People who eat breakfast are generally more likely to maintain a healthy weight.
Many people believe that they will lose weight if they skip meals, but that isn't a good idea. The body expects to be refueled a few times a day, so start with a healthy breakfast.
A healthy breakfast should contain some protein (蛋白质) and some fiber (纤维).Protein can come from meat, eggs, beans, or soy (大豆). Fiber can be found in whole cereals (谷物), grains or in fruits. A good example of a healthy breakfast might be something simple like a hard boiled egg, an orange, and a bowl of whole grain cereal with soy milk.
第 16 题 Adults who eat breakfast will perform. better at work.
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