血中氧分压降低导致呼吸加强的原因是直接兴奋（　　）

(1)【◆题库问题◆】：[单选] 血中氧分压降低导致呼吸加强的原因是直接兴奋（　　）
A．延髓呼吸中枢
B．呼吸调整中枢
C．外周化学感受器
D．中枢化学感受器
E．肺牵张感受器

【◆参考答案◆】：C

(2)【◆题库问题◆】：[单选,材料题] The word “deeper” in paragraph 1 is closest in meaning to which of the following?根据以下内容，回答下面的题目。Researchers have found that REM (rapid eye movement) sleep is important to human beings．This type of sleep generally occurs four or five times during one night of sleep lasting five minutes to forty minutes for each occurrencE．The deeper a person’s sleep becomes, the longer the periods of rapid eye movement．There are physical charges in the body to show that a person has changed from NREM (non-rapid eye movement) to REM sleep．Breathing becomes faster, the heart rate increases, and, as the name implies, the eyes begin to move quickly．Accompanying these physical changes in the body is a very important characteristic of REM sleep．It is during REM sleep that a person dreams．According to the passage, how often does REM sleep occur in one night?
A．heavier．
B．louder．
C．stronger．
D．happier．

【◆参考答案◆】：A

(3)【◆题库问题◆】：[单选] 视神经乳头（　　）
A．为感光敏锐处
B．视网膜中央动脉穿过
C．位于黄斑的颞侧
D．由感光细胞聚集而成
E．以上都不是

【◆参考答案◆】：B

(4)【◆题库问题◆】：[单选] 下列词语中加点字的注音全对的一组是 ( )
A．复辟(pi) 押解(jie) 大有裨(bi)益
B．埋(mdn)怨揣度(duo)横(h色ng)行霸道
C．肖(xiao)像稽(qi)首 安步当(deng)车
D．着(zheo)数倔强(jiang)创(chuang)巨痛深

【◆参考答案◆】：C

(5)【◆题库问题◆】：[单选] I always regrettednot_________ harder when l was young．
A．studyin9
B．having studied
C．tostudy
D．D to have studied

【◆参考答案◆】：B

(6)【◆题库问题◆】：[单选,材料题] Which of the following is the best title of the article?根据以下内容，回答下面的题目。Researchers have found that REM (rapid eye movement) sleep is important to human beings．This type of sleep generally occurs four or five times during one night of sleep lasting five minutes to forty minutes for each occurrencE．The deeper a person’s sleep becomes, the longer the periods of rapid eye movement．There are physical charges in the body to show that a person has changed from NREM (non-rapid eye movement) to REM sleep．Breathing becomes faster, the heart rate increases, and, as the name implies, the eyes begin to move quickly．Accompanying these physical changes in the body is a very important characteristic of REM sleep．It is during REM sleep that a person dreams．According to the passage, how often does REM sleep occur in one night?
A．REM Sleep
B．Two Types of Sleep
C．Sleepers
D．What Happens to Sleepers

【◆参考答案◆】：A

(7)【◆题库问题◆】：[单选] _________，Ishould not have wasted my time trying to explaiil matters to you．
A．I had not realized whatyou intendec
B．Had I not realized whatyou intended
C．I had realized what youintended
D．Had I realized what youintended

【◆参考答案◆】：D

(8)【◆题库问题◆】：[单选] I applied for the job that I sawadvertised ________the paper．
A．on
B．of
C．in
D．at

【◆参考答案◆】：C

【◆答案解析◆】：报纸上所登的东西用介词in。选项C是正确的。【句子大意】我申请的工作是我在报纸上看到的广告。

(9)【◆题库问题◆】：[单选] You are worthy_______ the honour．
A．to
B．at
C．for
D．of

【◆参考答案◆】：D

(10)【◆题库问题◆】：[单选] 根据以下选项，回答{TSE}题：A．肝浊音区上升，肝区叩痛阴性B．肝浊音区下降，肝区叩痛阴性 C．肝区叩诊鼓音，肝区叩痛阴性D．肝绝对浊音界下移，肝区叩痛阴性E．肝浊音区上升，肝区叩痛阳性 {TS}肺气肿（　　）

【◆参考答案◆】：B

【◆答案解析◆】：略