[填空题]Besides calcium and iron, athletes also need______which will help them access energy
and prevent them from getting ill.

[填空题]Corcodilos also advised job candidates besides hunting talent.

[简答题]Besides listening to your opponent, you must also closely observe his or her gestures.

[填空题]Besides reducing human labor, robots can also ______.

[填空题]Besides San Francisco, ______ is also Frechtling’s favorite city to visit.

[填空题]Besides genes, ______ factors also play a role in our fate.

[单项选择]Pig iron, wrought iron, and steel contain iron carbides made up of ______ of carbon.
A. amounts are different
B. different amounts that
C. different amounts
D. which amounts are different

[填空题]Athletes should avoid having drinks containing caffeine, for they are hundred-percent harmful to the athletes’ sports performance.

[填空题]Athletes should avoid certain kinds of supplements, for they may cause side effects which will do harm to the athletes.

[简答题]Some famous athletes and entertainers earn millions of dollars every year.Do you think these people deserve such high salaries Use specific reasons and examples to support your opinion.

[单项选择]A group of scientists studying calcium metabolism in laboratory rats discovered that removing the rats’ parathyroid glands resulted in the rats’ having substantially lower than normal levels of calcium in their blood. This discovery led the scientists to hypothesize that the function of the parathyroid gland is to regulate the level of calcium in the blood by raising that level when if falls below the normal range. In a further experiment, the scientists removed not only the parathyroid gland but also the adrenal gland from rats. They made the surprising discovery that the level of calcium in the rats’ blood decreased much less sharply than when the parathyroid gland alone was removed.
Which one of the following, if true, explains the surprising discovery in a way most consistent with the scientists’ hypothesis ？（）
A. The adrenal gland acts to lower the level of calcium in the blood.
B. The adrenal gland and the parathyroid gland play the same role in regulating calcium blood levels.
C. The absence of a parathyroid gland causes the adrenal gland to increase the level of calcium in the blood.
D. If the adrenal gland, and no other gland, of a rat were removed, the rat’s calcium level would remain stable.
E. The only function of the parathyroid gland is to regulate the level of calcium in the blood.

[单项选择]

Olympic athletes spend hours training, starting at an early age. Many athletes are strong and excellent in their sport but never (36) it to the Olympics. (37) who often do don’t win medals. Wilma Rudolph (38) made it to the Olympics, she won three gold medals. (39) that was amazing Wait (40) you hear the rest of the story!
Wilma Rudolph was born in 1940. When she was young she had polio (小儿麻痹症). (41) left her without the (42) of one of her legs. Her family helped her (43) massaging her leg every day. (44) she was able to walk (45) a special shoe. (46) about three years she didn’t need the shoe (47) .
In high school, Wilma played basketball and (48) track. She broke all the state basketball (49) and won all her track (50) . In 1960, Wilma went to the Olympics in Italy. She won three gold meda Is. (51) , she became a coach, an athletic co
A. by
B. for
C. in
D. at