肿瘤的发生发展就细胞本身而言由于原癌基因的激活和抑癌基因的失活造成的()

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。

Are you feeling anxious about your test next week? Here are some tips that will help you in dealing with stress(压力) and anxiety.

Study regularly

One of the most important ways of avoiding test anxiety is to prepare well in advance. Study regularly for a few hours every day.      小题1:     .

Reduce study pressure(压力)

If students are not able to deal with anxiety or nervousness, they could talk to their teachers, student counselors(辅导员), parents or friends. Parents should also avoid pressurizing(加压) their kids to do well.      小题2:

    Then your children can study without any tension(紧张). Another important point that arises here is neither the students nor the parents should compare the children with their other classmates and friends.

Physical fitness

    小题3:    Many times due to anxiety students avoid sleep and starve themselves. They should sleep for at least 6-7 hours a day and eat nutritious and healthy food. Exercising regularly is equally important as talking to friends and socializing(社交).

    小题4:   

Plan your studies well. Chart(制图) out a timetable and take proper breaks between studying. Along with the study time, allot (分配) time to relax and do what you love to do. Practicing simple breathing skills will also help reduce stress.

    小题5:    While it is important to gain good scores in tests, it is not the most important thing in life. Learning to deal with nervousness and stress will not only help them to do well in school tests, but also in their future life.

A．Prepare schedule

B．Listen carefully in class

C．Do not forget to eat and sleep properly.

D．It helps in increasing the confidence of students.E. Create a peaceful and relaxing atmosphere (放松的气氛) at home.

F. Students should remember that tests are just a part of life.

G. Test and exam time causes a lot of nervousness in students.

下列各项中，对苏俄时期苏维埃性质的准确表述是[ ]

A．相当于议会的立法机构

B．行使国家权力的行政机构

C．工人、士兵等阶层的协商机构

D．立法与行政合一的机构

婴幼儿输液可选择头皮作为针刺部位，在这种情况下，药物随血液循环到达患病部位前可能没有流经的血管是

A．上腔静脉

B．下腔静脉

C．主动脉

D．肺动脉

煤中含氧官能团的稳定性顺序为（）。

A.-OH＜C＝O＜-COOH＜-OCH3

B.-OH＞C＝O＞-COOH＞-OCH3

C.-OH＜C＝O＜-COOH＜-OCH3

D.-OH＜C＝O＜-OCH3＜-COOH

中 * * 党与一切剥削阶级政党的本质区别在于（）。

A.坚持“三个代表”

B.以马列主义、毛 * * 思想和邓 * * 理论为指导

C.一切从人民的利益出发，全心全意为人民服务

D.坚持解放思想、实事求是