B．y the first sentence of Excerpt 3 the author means that______.

A．he is fairly familiar with the cost of advertising

B．everybody knows well that advertising is money consuming

C．advertising costs money like everything else

D．it is worthwhile to spend money on advertising

[单选题]In the first sentence of Paragraph 3,the word "cushion" can be best replaced byA．put a cushion underB．relieveC．eliminateD．avoid

[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]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]When the truth of sentence(a)guarantees the truth of sentence(b)and the fal

[单选题]Text 3 The first big-name hackers include Steve Wozniak, Bill Gates and Linus Torvalds, all now highly recognizable names behind many of the computer technologies used today. These early hackers had a love of technology and a compelling need to know

[单选题]E．xcerpt 1 I saw a television advertisement recently for a new product called an air sanitizer.A woman stood in her kitchen, spraying the empty space in front of her as though using Mace against an imaginary assailant.She appeared very determined.Whe

[单选题]Text 3When the first white men arrived in Samoa, they found blind men, who could see well enough to describe things in detail just by holding their hands over objects. In France, Jules Roman tested hundreds of blind people and found a few who could t

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

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