The phrase “keep a lid on”(Line 6, Paragraph 3) most probably means_____.

［A］ put an end to

［B］ set a limit on

［C］ tighten the control over

［D］ reduce the speed of

[单选题]The phrase" special sectors" (line l ,paragraph 7) most probably refers to[ A] energy ,food and housing.[ B] indexed programs.[ C] social security and food stamps.[ D] large corporations and labor settlements.

[名词解释] LID技术

[单选题]The word “phonograph” (Line 5-6, Paragraph 1) most probably means_____.［A］ record player［B］ radio［C］ musical technique［D］ music culture

[单选题]The word “talking” (Line 6, paragraph 3) denotes ________.[A] modesty[B] personality[C] liveliness[D] informality

[单选题]The research mentioned in the last paragraph reports thatA．people with dogs did more exerciseB．dogs lost the same weight as people didC．dogs liked exercise much more than people didD．people without dogs found the program unhelpful

[单选题]In the last sentence of the second paragraph, "the higher places on earth" refers to ______.A． the high mountainsB． the lighter rocksC． the vast oceanD． the great continent

[单选题]The author raises the questions in Paragraph 2 to introduce the fact that people____.A． fail to make full use of their timeB． enjoy working overtime for extra payC． are unaware of the law of timeD． welcome flexible working hours

[单选题]In the fifth sentence of the first paragraph, the word "pose" can be best replaced byA．bring aboutB．resultC．lead toD．offer

[单选题]The three Ds mentioned in the last paragraph are（ ）[A] auction houses' favorites[B] contemporary trends[C] factors promoting artwork circulation[D] styles representing Impressionists

[单选题]The phrase“a characteristic behavior”in Para. 1 refers to______.A．telling storiesB．writing booksC．studying folktalesD．producing movies