单选题______ a properly designed shape, the steam flow will be smooth.
单选题If we want to be in good health, regular exercise is as important
______ healthy diet.
A. as
B. at
C. by
D. for
单选题
{{B}}Conversation 2{{/B}}
{{B}}Questions 8 to 10 are based on the conversation you've just heard.
{{/B}}
单选题Two-thirds of the population at this town ______workers.
A. is
B. are
C. was
D. have been
单选题The rules for writing an abstract are almost the same to those for writing the summary for an investigation report. In an abstract you make an outline of the problem and state the purpose of your research, give a brief introduction to the procedures, describe the main findings, and make the conclusions. All this must be done in as few words as possible; ideally, your abstract must be about 125 Words long and never more than 250 words.
单选题"Shadow land" in the sentence refers to ______.
单选题Why should people take the guest scores into consideration?
Because their experience is likely to be ______.
单选题Being ignorant of the law is no ______ of breaking the law.
单选题Not only I but also David and Henry fond of playing basketball in the spare time.A) amB) isC) areD) was
单选题If she says such things, she is not a friend of ______.
单选题______ the first country to use the nuclear weapons.A) In no time China will beB) In no time will China beC) Never China will beD) At any time will China be
单选题Hardly ______ when the lights went out. A. the performance had begun B. had the performance begun C. the performance began D. did the performance begin
单选题Americans as a whole tend to be fairly provincial and take more of an interest in local affairs.
单选题[此试题无题干]
单选题Let it be known that Mr. Li Ming, native of Chengdu, Sichuan Province, male, born on April 15, 1981, having specialized in Hardware Technology in the Computer Department of this College, from September, 1999 to July, 2003 and having completed the three-year program with qualified standing, is hereby awarded this Certificate of Graduation.
单选题______ , he couldn't solve the problem at that moment. A) He was clever C) As clever he was B) As he was clever D) Clever as he was
单选题They decided to take some actions ______ the situation turned too bad.
单选题Electronic computers, which have many advantages, cannot carry out creative work and replace man.
单选题He ______ the 10:30 plane because he was stuck in a bad traffic jam till 10:30.
单选题A beam of light will not bend round comers unless made to do so with the help of a reflecting device.A) 除非有反射装置的帮助，使得光线在拐弯处弯曲，否则光线是不会弯曲的。B) 光线在拐弯处将不会弯曲，除非在反射装置的帮助下使它弯曲。C) 如果不用反射装置使光线弯曲的话，光线在拐弯处是不会弯曲的。D) 即使有反射装置的帮助，光线在拐弯处也不会弯曲。