题目内容
肌肉收缩时产生的张力和速度的变化，都取决于活化的横桥数口。( )
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通过长期的力量训练能使肌纤维运动性肥大、有氧氧化能力提高。( )
等动收缩时，在关节运动的整个范围内肌肉都能产生最有效的收缩，这是因为负荷能随关节运动的进程而减少。( )
1. The sales department of a company is engaged in ___________the products and making profits.a. selling b. sell c. being sold d. having sold2. A survey suggests that nearly one in six children has difficulty __________to talk.a. to learn b. learning c. learn d. learnt3. If you have difficulty _______ your bills, tell your utility company as soon as possible. (2018-12)A pay B paid C to pay D paying4. Ayoung man who hasn’t got a high school diploma may have difficulty in (get) _______ a good job. (2015-06)5. As long as you keep on ___________hard, you’ll get promoted sooner or later. (2014-12)a. work b. be working c. worked d. working6. You have to work in this position for two years ________getting promoted.a. on b. since c. with d. before7. The airport is usually your first stop before ________ on your vacation or trip. (2018-06)Aleave B leaving C left D to leave8. Thank you very much in advance for (consider) _________ my application and I look forward to hearing from you soon. (2018-06)9. Before (ask) _________ for a promotion, try to find out how the decision makers in your company feel about you. (2017-06)10. After (receive) ___________ your loan from us, if you are not completely satisfied with your experience, please contact us. (2015-12)11. The sales manager resigned last Monday after _______ to take a pay cut by the company. (2015-06)A) be asked B) being asked C) was asked D) is asked12. UK universities should focus on (provide) _______ overseas students with English language skills and British culture as well. (2013-12)
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