In the last sentence of the second paragraph, "the higher places on earth" refers to ______.

A． the high mountains

B． the lighter rocks

C． the vast ocean

D． the great continent

[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 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]A．s used in the second sentence of the third paragraph, the word "unique" means ______.A．) specialB．) attractiveC．) financialD．) peculiar

[单选题]In .the first sentence of the second paragraph, the word skyrocketed, most probably means ______.A．) became variousB．) was updatedC．)increased rapidlyD．) remained the same

[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]Which sentence in the second paragraph is the topic sentence?A． Lyne was a headmaster.B． A lot of kids had chains around their necks.C． I was constantly telling them to put inside their shirts.D． They were house keys.

[单选题]The last sentence of the text indicates the author’s______.［A］ hatred［B］ affection［C］ stubbornness［D］ rejection

[单选题]A．s used in the last sentence, the phrase "in short" means ______.A． in the long runB． in detailC． in factD． in a word

[单选题]The last sentence means that a knowledge of fish sounds can help man to ______.A． avoid confusion in fishing activityB． avoid unneeded effort in fish sound studiesC． detect enemy submarinesD． pick up new sounds

[单选题]the last sentence of the passage implies that if another drought came, ______.A． the situation would be much worseB． people would have to desert their homesC． the city would be fully prepared in advanceD． the city would have to redevelop the neighbor