第10题: [单项选择]骨骼肌肌张力最大的收缩方式是 A. 等张收缩 B. 单收缩 C. 不完全强直收缩 D. 完全性强直收缩 参考答案:D 答案解析: 单收缩是指骨骼肌受到一次短促刺激时,产生一次动作电位,随后出现一次收缩和舒张。骨骼肌通过收缩总和可快速调节收缩的强度。当骨骼肌受到频率较高的连续刺激时,可出现以这种总和为基础的强直收缩。如果刺
第13题: [单项选择]与Sun SPARC Enterprise M4000相比,哪一款POWER Systems服务器性能即可胜出?() A. POWER520即可 B. 需要POWER550 C. 需要POWER570 D. 需要POWER595 参考答案:B
第14题: [单项选择]They converted the spare bedroom into an office. A. reduced B. turned C. moved D. reformed 参考答案:B 答案解析:[解析] 题意:他们把空闲的卧室改成了一间办公室。 划线词convert(vt.)的词义是“转换.改造”。 A项reduce意为减少;例句:They are selling the
第28题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. He was fired from his job. B. He was warned about being more. punctual from now on. C. The management cat his working hours. D. He was promoted. 参考答案:B 答案解析:[听力原文]
M: I Came as soon as you called. Is there a problem
W: Yes, Mr. Chu. You must begin gettin