在()的情况下死锁发生。 A.计算机系统发生了重大故障 B.有多个封锁的进程同时存在

题型:单项选择题

问题:

在()的情况下死锁发生。

A.计算机系统发生了重大故障

B.有多个封锁的进程同时存在

C.若干进程因竞争资源而无休止地相互等待对方释放已占有的资源

D.资源数大大小于进程数,或进程同时申请的资源数大大超过资源总数

考点:计算机软件水平考试中级软件设计师中级软件设计师上午试题
题型:单项选择题
已知函数f(x)=
ex-e-x
ex+e-x
(其中e=2.71828…是一个无理数).
(1)求函数f(x)的定义域;
(2)判断奇偶性并证明之;
(3)判断单调性并证明之.
题型:单项选择题

When was the last time you had great fun with your family?   小题1:    So stand up and plan to have fun with your family.

Going to the zoo is definitely a number-one pick for family activities. Other than visiting animals, most zoos nowadays have rides that you can enjoy with your family. Meals are served in the zoo.   小题2:    To add some fun, ask to be the photographer for the day and you might be surprised by how creative you can be.

    小题3:     Even though you might not be really keen on outdoor activities, you can still enjoy your time by playing together after having your lunch.

Visiting the nation's capital would be your choice if you want to go on a trip with your family. Learn more about the history by visiting historical sites.   小题4:   

A treasure hunt is a popular activity, so going hunting with your family is a nice choice. You can train yourself by asking to be the person in charge who can hold the treasure map and make decisions.

Create a video clip with your family. Make your family the characters in the clip. You may talk about your family life in the clip, about your interests or even create a drama.

 小题5:   Plant flowers and mow the lawn. After a day of hard work, you can all sit back and enjoy a barbecue at your beautifully cleaned backyard.

A.History creates topics for you and your family.

B.At bedtime read to your young kids and read with your elder kids.

C.Family is always the most valuable thing in life.

D.Bring your own snacks if you want to save some money.E.Doing some yard work together can also be a fun quality time for your family.

F.Having a picnic at the park is also a good activity for your family.

G.Here are two examples.

题型:单项选择题

( )应当是取得监理资质证书、具有法人资格单位,并经工商行政管理机构核准登记注册,可以从事监理活动的企业。

A.设备监理技术

B.设备监理单位

C.设备监理工程

D.设备监理管理

题型:单项选择题

所谓爱屋及乌,说明情绪情感具有感染功能。(  )

题型:单项选择题

钢尺检定方法一般分为()。

A.直接比长法、间接比长法

B.直接比长法、基线检定法

C.间接比长法、基线检定法

D.与皮尺比长法、直接比长法

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