题目

写出下列物体类似的几何图形：(1)数学课本__________； (2)笔筒_________；(3)西瓜_________； (4)喇叭_________． 答案：【答案】(1)长方体 (2)圆柱体 (3)球体 (4)圆锥体 【解析】根据实物的形状，可得立体图形．解：数学课本 长方体；笔筒圆柱；西瓜球；喇叭圆锥体.故答案为：长方体，圆柱，球体，圆锥体.．6、Childhood is a happy time, right? Not necessarily． Consider these facts． Depression may occur in as many as 1 in 33 children． Once a child has an episode(一段经历) of depression, he or she has a 50 percent chance of experiencing another episode in the next 5 years． Suicide is the 6th leading cause of death for 5-to-15-year-olds． If your child experiences 5 or more of these signs or symptoms for at least 2 weeks, he or she may be experiencing depression or another mental illness． Feeling－Does your child demonstrate: ①Sadness                ②Emptiness              ③Hopelessness         ④Guilt ⑤Worthlessness        ⑥Lack of enjoyment in everyday pleasures Thinking－Is your child having trouble: ①concentrating         ②Making decisions    ③Completing schoolwork ④Maintaining grades  ⑤Maintaining friendships Physical problems－Does your child complain of: ①Headaches             ②Stomachaches        ③Lack of energy ④Sleeping problems (too much or too little) ⑤Weight or appetite changes (gain or loss) Behavior problems－Is your child: ①Irritable                 ②Not wanting to go to school ③Wanting to be alone most of the time        ④Having difficulty getting along with others ⑤Cutting classes or skipping school           ⑥Dropping out of sports, hobbies or other activities ⑦Drinking alcohol or using drugs Suicide risk－Does your child talk or think about: ①Suicide                  ②Death                    ③Other morbid(生病的) subjects Sometimes, a child who causes problems at school or at home may actually be depressed, according to the American Academy of Child and Adolescent Psychiatry． If you think your child may be depressed, it’s important to have your child treated． Discuss your child’s problems with his or her doctor． The doctor may suggest a referral to a children’s psychologist or psychiatrist(精神病医生)。 Treatment may include individual and family therapy(治疗), along with an antidepressant medication(药物)． 1．This article is particularly written for ________．        A．parents                B．teachers              C．children               D．psychologists 2．Which statement describes a child who may have physical problems?        A．The child is always in high mood．        B．The child always feels tired but sleeps only four hours a day．        C．The child hates to study．        D．The child can not concentrate on one thing for a long period． 3．When your child always talks about death or other morbid subjects, he or she _________．        A．may has trouble in thinking                   B．may have suicide risk        C．may have behavior problems                 D．may have physical problems 4．What should we do when we find our kids experiencing depression?        A．Ask for leave to accompany them at home．        B．Ask them to take antidepressant immediately．        C．Go to see the doctor．        D．Ask them to have a good rest．