What is the main topic above paragraph? （）

[单选题]What is the author’s attitude towards the topic?A.Critical．B.Objective．C.Bi

[单选题]What is the subject of the paragraph?（）A . international tradeB . international transportC . international logisticsD . international economy

[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]In the second paragraph, the author mainly concentrates on the（ ）[A] tendency of American economy[B]contribution American households have made to the economy[C]low efficiency of the government[D]progress toward digital transformation

[单选题]What is the fifth paragraph mainly about?A． Why people become short-sighted.B． Why natural light has a special chemical.C． Why playing outside is good for one’s eyesight.D． Why daylight is much brighter than indoor light.

[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

[单选题]The main purpose of asking questions about the topic before listeningis to

[单选题]A．ccording to Paragraph 4， what puzzles the author is that some bosses fail to[A] see the link between trust and data protection.[B] perceive the sensitivity of personal data.[C] realize the high cost of data restoration.[D] appreciate the economic v

[单选题]A．ccording to Paragraph 4， what puzzles the author isthat some bosses fail toA．see the link between trust and dataprotection.B．perceive the sensitivity of personal data.C．realize the high cost of data restoration.D．appreciate the economicvalue of tru

[单选题]What does“the days”in Paragraph 3 refer to?A．I maginary lifeB．Simple life in the pastC．Times of inventionsD．Time for constant activity