问题 填空题

有10名学生,其中4名男生,6名女生,从中任选2名学生,恰好是2名男生或2名女生的概率是______.

答案

所有的选法共有C102=45种,从中任选2名学生,恰好是2名男生或2名女生的取法共有C42+C62=21 种,

故恰好是2名男生或2名女生的概率是

21
45
=
7
15

故答案为:

7
15

阅读理解

阅读理解

     A major source of teen stress is school exams,and test anxiety is not uncommon.

When you recognize your teen is under stress,how can parents help your teen stay calm before an exam?

     Be involved.Parents need to be involved in their teen's work.1.________What they look for is your

presence-to talk,to cry,or simply to sit with them quietly.Communicate openly with your teen.Encourage

your teen to express her worries and fears,but don't let them focus on those fears.

     Help them get organized.2.________Together,you and your teen can work out a timetable in which

she can study for what she knows will be on the test.

     Provide a calm setting.Help your teen set up a quiet place to study and protect his privacy.Give them a nutritious diet.It is important for your teen to eat a healthy,balanced diet during exam times to focus and do her best.3.________If this happens,encourage your teen to eat light meals or sandwiches.A healthy diet,

rather than junk food,is best for reducing stress.

     4. ________Persuade your teenager to get some sleep and/or do something active when she needs a real break from studying.Making time for relaxation,fun,and exercise are all important in reducing stress.Help your teen balance her time so that she will feel comfortable taking time out from studying to spend

time with friends or rest.

     Show a positive attitude.5.________Your panic,anxiety and blame contribute to your teen's pressure.Make your teen feel accepted and valued for her efforts.Most importantly,reassure your teen that things

will be all right,no matter what the results are.

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

B. Exam stress can make some teens lose their appetite.

C. They will only make the situation worse.

D. Encourage your teen to relax.

E. The best thing is simply to listen.

F. Help your teen think about what she has to study and plan accordingly.

G. Your teen may also make negative comments about themselves.

单项选择题 A1/A2型题