The main idea of paragraph 4 shows us______.

A． some examples of shooting in the US schools.

B． the American's feeling.

C． some famous schools.

D． that some teachers were killed by students.

[单选题]The main idea of Paragraph Four shows us ______.A． some examples of shoot in US schoolsB． the American's feelingC． some famous schoolsD． that some teachers were killed by students

[单选题]The main idea of the first paragraph is _____.［A］ the importance of cultural tools and technology［B］ the cultural influence of the development of civilization［C］ the focus of the study of the material culture of music［D］ the significance of the resea

[单选题]The main idea of paragraph 2 is______.A． colors may have effect on our work and studyB． colors do have effect on our moods (情绪)C． light and bright colors make people happyD． factory workers can work better in a bright room

[主观题]Paragraph 3 shows that a discovery claim becomes credible after it[A] has attracted the attention of the general public.[B]has been examined by the scientific community.[C] has received recognition from editors and reviewers.[D]has been frequently qu

[单选题]Paragraph 5 shows that our imitation of behaviors __________.A.is harmful t

[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

[主观题]Paragraph 5shows that our imitation of behaviors[A] is harmful to our networks of friends[B] will mislead behavioral studies[C] occurs without our realizing it[D] can produce negative health habits

[单选题]What is the main idea of the text?A． Delivering bad news properly is important in communication.B． Helping others sincerely is the key to business success.C． Receiving bad news requires great courage.D． Learning ancient traditions can be useful.

[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]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