第2题: [单项选择]大多数药物跨膜转运的方式为 A. 主动转运 B. 被动转运 C. 易化扩散 D. 经离子通道 E. 滤过 参考答案:B 答案解析:药物的跨膜转运的方式主要有：被动转运、载体转运。药物的被动转运：指药物依赖于膜两侧的浓度差，从高浓度的一侧向低浓度的一侧进行跨膜转运。特点是不需消耗ATP，只能顺浓度差转运，无饱和现象。多数药物属于被
第18题: [单项选择](No wonder) that (man’s) great dream has been someday to control the weather. The first step toward control is knowledge, and scientists have been (hard at work) for years trying to (keep track for) the weather. A. No wonder B. man’s C. hard at work D. keep track for 参考答案:D 答案解析:此题考查固定短语搭配keep track of的用法。意为“了解、掌握……的线索。应将keep track for改为keep track of。
第19题: [多项选择]Which three methods can you use for route discovery on a WX platform? （）(Choose three.) A. Enable RIP B. Enable OSPF C. Periodically poll any router D. Import routes from a TFTP server 参考答案:A,B,D
第36题: [单项选择]He was under the _________ that he could accomplish-the whole job without the help of his co-worker. A. disguise B. idea C. thought D. illusion 参考答案:D 答案解析:illusion表示“错误的观点，信仰或印象，幻想”，并常用在under the illusion that这一短语中，表示“错误地相信”；disguise指“欺骗，被迷惑”，可用作短语under t
