连接云内各个节点的网络是实现高效的计算和存储能力的关键环节之一。这种网络主要解决哪些

按压肌肤肿胀之处，按之凹陷，不能即起者，是（）。

A.虚证

B.水肿

C.实证

D.气肿

E.寒证

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项，选项中有两项为多余选项。

How to Calm Your Teen's Nerves before an Exam

Stress is a feeling of physical and mental of emotional strain of tension, which disturbs or interferes with normal physiological balance. Stress can be overwhelming for anyone, but it can be especially difficult for a teen that has not yet developed effective coping skills. A major source of teen stress is school exams, and test anxiety is not uncommon. So, how can parents help their teen stay calm before an exam?

Recognize when your teen is under stress.

Teens can feel an immense pressure to do well on exams. For some teens, just the idea of taking the test can bring them into a panic(恐慌).  小题1: Emotional symptoms include: excessive of uncontrollable drying, aggression or mood swings, and panic attacks.

What should parents do?

--Be involved

Parents need to be involved in their teen's work. What they look for is your presence--to talk, to dry, or simply to sit with them quietly. Communicate openly with your teen.  小题2:__

--Help them get organized

Help your teen think about what she has to study and plan accordingly.  小题3: 

--Give them a nutritious diet

It's important for your teen to eat a healthy, balanced diet during exam times to focus and do her best. 小题4: if this happens, encourage your teen to eat light meals or sandwiches. A healthy diet. rather than junk food, is best for reducing stress.

--Show a positive attitude

  小题5: If you panic, blame, or apply to much pressure, your teen will have an undue increase in their stress levels. Make your teen feel accepted and valued for her efforts. Most important, reassure your teens that things will be all right, no matter what the results are.

A．Together ,you and your teen can work out a time-table in which she can study for what she knows will be on the test.

B．A parent's attitude will dictate their teen's emotions.

C．Physical symptoms of stress and anxiety include: lack of sleep, difficulty breathing, loss of appetite of irregular eating

D．Encourage your teen to relaxE. Encourage your teen to express his worries and fears, but don't let them focus on those fears.

F. Your teen may also make negative comments about themselves

G. Exam stress can make some teens lose their appetite

与2001年相比，2002年北京和上海两市各类零售总额增幅最大的是：

A．北京的食品零售
B．北京的服装零售
C．上海的餐饮业
D．上海的日用品

姑息治疗是指对那些治愈性治疗无望或不能接受治愈性治疗的病人采取完全的主动的医疗和护理，控制疼痛及有关症状，并对心理、社会和精神问题予以重视。其目的是为病人和家属赢得最好的生活质量。姑息治疗同样适用于早期肿瘤病人，将姑息治疗与抗肿瘤治疗相结合。根据上述定义，下列不属于姑息治疗的是：

A.某患者因病情恶化且年老体衰，无法翻身，身体生了褥疮，口腔也有霉菌感染，护士为其洗澡擦身，并做了口腔清洁

B.某患者因为癌症晚期，且自身状况差无法进行抗癌治疗，医生认为患者已没有治疗价值，劝患者回家休养

C.某年轻患者刚结婚便被诊断为乳腺癌，情绪非常激动，拒绝接受治疗，医生为其进行了心理辅导

D.某患者手术后严重疼痛，无法入睡，医生给他安置了止疼泵，并给予一定的镇静药，让患者能好好休息

细胞的生命特征有（）。

A.以新陈代谢为基础

B.生长发育繁殖的基础

C.具有遗传性

D.具有进化性

E.以上都是