What is the main idea of the passage?

A． Science and its applications bring us many dangers.

B． The development of science mostly lies in people’s attitudes.

C． Mankind can largely take control of science with their efforts.

D． The future of science will be influenced by the dangerous ideas.

[单选题]What is the main idea of this passage?A． It is important to be on time for class in the United States.B． The importance of being on time differs among cultures.C． People learn' the importance of time from the culture they are in.D． Students being la

[单选题]What is the main idea of the passage?［A］ Parental divorce has a negative effect on children all through their life.［B］ The impact of parental divorce on children varies in personality, age and gender.［C］ Boys may become more aggressive than girls in

[单选题]What is the main idea of the passage?A． Our life is governed by the law of time.B． How to organize time is not worth debating.C． New ways of using time change our society.D． Our time schedule is decided by social customs.

[单选题]What is the main idea of the passage?A． Multitasking has become a way of life.B． Multitasking often leads to efficiency decline.C． Multitasking exercises need to be improved.D． Multitasking enables people to remember things better.

[单选题]What's the main idea of the passage?A． Four skills for successful executives.B． Some opinions about the success.C． Specific traits for successful executives.D． Qualifications and circumstances for climbing the ladder.

[单选题]What’S the main idea of the passage7A．Laser light treatment of heart disease should take the place of the traditional operatlon．B．Laser light treatment has been proved better and more effective than the traditional operation．C．More advanced technolog

[单选题]The main idea of this passage is ______.A． many animals die during hibernationB． hibernation protects animals during the wintertimeC． scientists feel puzzled about hibernationD． some bats hibernate and others do not

[单选题]The main idea of this passage is______.A． it is likely to make an enemy of your admirerB． there are many solutions to the problems of datingC． an admirer has feeling every bit as sensitive as our ownD． it is possible to discourage an admirer without

[单选题]The main idea of this passage is______.A． one's color preference shows one's characterB． you can brighten your life with wonderful colorsC． psychologists have been studying the meaning of color preferenceD． one's color preference has something to

[单选题]The main idea of this passage is that______.A．children should be encouraged to draw freelyB．children should follow their parents' examplesC．parents should know how to cultivate their kids' creativityD．most parents teach their kids confidently and i