临界区是指并发进程中访问共享变量的A.管理信息段 B.信息存储段 C.数据段 D.程

题型:单项选择题

问题:

临界区是指并发进程中访问共享变量的

A.管理信息段

B.信息存储段

C.数据段

D.程序段

考点:计算机等级考试数据库技术三级数据库技术笔试2
题型:单项选择题
把下列单词填入每个句子的空白处(注意所填单词的形式变化):
journal  fare  transport  cycle  persuade  stubborn  insist  properly  determine  altitude  attitude  shorts  camp   record   topic   familiar   brave   plain 
1 I live near our school. Sometimes I _________ to school.
2 I ________ that the rude shop assistant should apologize to me.
3 My daughter is so ________ that she cannot easily change her mind.
4 You only have to pay 20 yuan; children travel at half _________.
5 I signed up for the 2007 English Summer _________.
6 The notice is written in German. Is anyone _________ with the German language?
7 The boy was ________ enough to keep chasing after the thief with a knife.
8 Liu Xiang broke the world _________ for the men’s 110-meter hurdle.
9 If you get to Beijing, there are two kinds of ________ for you to choose—by air or train.
10 When you write it is important to use words _________.
11 Fighting against terrorism(恐怖主义) has become an important ______ throughout the world these years.
12 Can you think of ways to _________ him to give up the plan?
13 When people are travelling they often write about their travels, which is called travel _______.
14 The Everest has an ________ of 8844.34 meters, according to the latest survey.
15 After putting on a T-shirt and ________, he went out to play tennis.
16 If you want to pass the exams, you’d better change your ________ towards them.
17 The soil of the Northeast _______ is fertile(肥沃的) and fine corn, sorghum, and rice grow there.
18 Upbringing(培养) plays an important part in _________ a person’s character.
题型:单项选择题

急性炎症性脱髓鞘性多发性神经炎急性期的治疗不正确的有()

A.主要是对症、支持疗法和针对病因

B.呼吸肌麻痹可使用呼吸器

C.延髓麻痹宜用鼻饲管

D.急性型采用皮质激素治疗

E.起病后可选用血浆交换疗法

题型:单项选择题

危险和有害因素及其后果的特点包括()。

A.隐蔽性

B.随机性

C.交叉影响性

D.可操作性

E.针对性

题型:单项选择题

已知乙烯分子是平面结构, 1,2-二氯乙烯可形成两种不同的空间异构体,称为顺反异构。下列能形成类似上述空间异构体的是(  )

A.1-丙烯

B.2-甲基-1-丙烯

C.1-丁烯

D.4-辛烯

题型:单项选择题

劳动过程中的有害因素是()

A.合理的作息制度

B.噪声、振动

C.视觉紧张

D.有毒作业和无毒作业同在一个车间

E.适宜的采光

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