关于化学性突触传递,下列错误的是(  )

  • A+
(1)【◆题库问题◆】:[单选] 关于化学性突触传递,下列错误的是(  )
A.双向传递
B.突触延搁
C.总和
D.对内环境变化敏感
E.易疲劳

【◆参考答案◆】:A

【◆答案解析◆】:略

(2)【◆题库问题◆】:[多选] 甲状旁腺激素的作用有(  )
A.动员骨钙入血
B.促进肾小管对钙和磷的重吸收
C.促进维生素D3的活化
D.抑制破骨细胞增生
E.加强破骨细胞的溶骨作用

【◆参考答案◆】:A,C,E

(3)【◆题库问题◆】:[单选] 用于测量肾血浆流量的物质是(  )
A.尿素
B.肌酐
C.葡萄糖
D.碘锐特
E.菊粉

【◆参考答案◆】:D

(4)【◆题库问题◆】:[单选] I wonder_______ we could have a talk afterthe meeting,
A.which
B.why
C.that
D.if

【◆参考答案◆】:D

(5)【◆题库问题◆】:[单选,材料题] What job will be done the day beforethe festival begins?回答下面的题目Student Volunteers Needed!OnSaturday, December 12th,from 10 A.M.until 4 P. M. ,Carverton Middle School will be holding a music festival in the schoolgymnasium. The special event willfeature a variety ofprofessional musicians and singers.TaskTimeDateMake posters1P.M.一4 P.M.December 5thSet up gym11A.M.一4 P.M.December 1thHelp performers9A.M.一4 P.M.December 12thWelcome guests10 A.M.一2 P.M.December 12thClean up gym4P.M.一7 P.M.December 12thInterested students should speak with Ms.Braxton,the music teacher.Students who would like to help at the festival musthave written permission from a parent or guardian.What time will the festival begin?
A.Making posters.
B.Setting up the gym.
C.Cleaning up the gym.
D.Helping the performers.

【◆参考答案◆】:B

【◆答案解析◆】:音乐节的头一天应该做什么。12日举行音乐节,头一天应是11日。表格的第二行,把体育馆布置好。选项B是正确的。

(6)【◆题库问题◆】:[单选] 两封信随机地投入标号为1,2,3,4的4个邮筒,则1,2号邮筒各有一封信的概率等于
A.
B.
C.
D.

【◆参考答案◆】:C

(7)【◆题库问题◆】:[单选] 两封信随机地投入标号为1,2,3,4的4个邮筒,则1,2号邮筒各有一封信的概率.等于
A.1/16
B.1/12
C.1/8
D.1/4

【◆参考答案◆】:C

(8)【◆题库问题◆】:[单选] 下列叙述错误的是(  )
A.泌尿系统各器官的功能是生成尿并输送和排出尿
B.左侧肾蒂较右侧者长
C.两肾上端比下端较靠近脊柱
D.肾的上端较下端宽而薄
E.肾的上端内侧附有肾上腺

【◆参考答案◆】:A

【◆答案解析◆】:略

(9)【◆题库问题◆】:[单选] 尿沉渣计数(Addis计数)中白细胞的参考值为(  )
A.<10万/12h
B.<15万/12h
C.<50万/12h
D.<100万/12h
E.<150万/12h

【◆参考答案◆】:D

(10)【◆题库问题◆】:[单选] He ______ when thebus came to a sudden stop.
A.was almost hurt
B.was to hurt himself
C.was hurt himself
D.was hurting himself

【◆参考答案◆】:A

发表评论

:?: :razz: :sad: :evil: :!: :smile: :oops: :grin: :eek: :shock: :???: :cool: :lol: :mad: :twisted: :roll: :wink: :idea: :arrow: :neutral: :cry: :mrgreen: