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【简答题】
Fill in the blanks with the words given below. Change the form where necessary. Each word can be used only once. deficit adjust exposure condense asset competent precise exceed beneficial adequate 1.The mayor decided to __________ his speech in order to leave enough time for his audience to raise questions. 2.It was reported that there was a vehicle missing every 20 seconds in the US. If the trends continue, experts predict annual vehicle thefts could _______ two million. 3.Researchers put patients through a set of psychological tests to determine the negative consequences of sleep _______. 4.Too much _________ to dirty air can cause people to suffer from allergies and diseases that will eventually affect people's health. 5.Moving forward even in the face of great difficulties has become my most important _______ in my life since it has helped me accomplish something remarkable. 6.The lawyer proclaimed they couldn't jump to conclusions because acceptable conclusions must be supported by _______ facts and evidence. 7.To help the employees be more communicative, the company is offering workshops for those who may be professionally _________ but socially awkward. 8.Most parents, in fact, aren't very helpful with the problems that their sons and daughters have in _______ to their college life. 9.You can count how many students passed an exam, but psychological and emotional feelings cannot be _______ measured. 10.In short, participation in sports is extremely __________ for college students not only physically but also emotionally and socially.
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【单选题】高等生物细胞质遗传物质的载体有:( )
A.
质粒
B.
线粒体
C.
噬菌体
D.
质体
【判断题】系统调试中的分调是调试主控程序。( )
A.
正确
B.
错误
【单选题】结构与功能的统一性在生命的不同水平层次都有所体现,下列对应关系错误的是 生理功能 结构基础 A. 储存遗传信息 核酸空间结构变化多 B. 参与物质运输 细胞膜上具有载体蛋白 C. 进行信息交流 高等植物细胞之间存在胞间连丝 D. 实现气体交换 肺由上亿个肺泡构成 , 总表面积大
A.
B.
C.
D.
D
【简答题】(2019· 河北石家庄冲刺 ) 现有成年个体甲、乙和丙 3 只羊,其中甲母羊具有产奶量高等优良性状,但其患有细胞质遗传病 —— 肌阵挛性癫痫且不育,乙母羊表现正常,丙为公羊,为获得健康且能大量分泌含有人的干扰素的羊乳汁乳腺生物发生器,现进行如图所示的操作。请回答下列问 题: (1) 由操作 1 ________ 技术获得的重组细胞在体外培养后和丙羊的精子通过 2 ________ 技术形成受精卵...
【单选题】由于毛细血管壁通透性增高,红细胞透过血管壁进入组织间隙称为
A.
出血
B.
血肿
C.
外出血
D.
积血
E.
漏出性出血
【单选题】在程序和系统调试中,分调(功能调试)的目的是测试
A.
一个程序的处理功能是否正确
B.
系统中各子系统间的相互调用关系是否正确
C.
系统功能是否完善
D.
一个功能内部控制关系和数据内容是否正确
【单选题】系统调试中的分调是调试( )。
A.
主控程字
B.
单个程序,使它能运行起来
C.
调度程序
D.
功能模块内各个程序,并联系起来
【单选题】系统调试又可以分为子系统调试和系统总调试。其中,系统总调试是对管理信息系统所有( )的一个联合调试,它是在子系统调试的基础上进行的。
A.
软件
B.
数据
C.
功能
D.
软件及数据
【单选题】高等生物细胞质遗传物质的载体有
A.
质粒
B.
线粒体
C.
质体
D.
噬菌体
【单选题】将D触发器改造成T触发器,如图6.10所示电路中的虚线框内应是( ) 。
A.
或非门
B.
与非门
C.
异或门
D.
同或门
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