选择题There were 150 _____ all the international conference this summer.
选择题Fuel scarcities and price increases ______ automobile designers to scale down the largest models and to develop completely new lines of small cars and trucks.
选择题Nobody yet knows how long and how seriously the ______ in the financial system will drag down the economy.
选择题Air and the sun’ s rays create much distortion, and whatever tends to _____ their influence is useful to the astronomer.
选择题During the summer vacation, kids are often seen hanging _____ in the streets.
选择题_____ should not become a serious disadvantage in life and work.
选择题After _____ seemed an endless wait, it was his turn to enter the personnel manager’ s office.
选择题When the teacher told the boy to sit down, he _____ to her and said she couldn’ t make him.
选择题There is no chance, no destiny, and no fate that can______ or hinder or control the firm resolve of a determined soul.
选择题Nancy’ s gone to work but her car’ s still there. She_____ by bus.
选择题Joan is in the dorm, putting the final _____ to her speech.
选择题The true test of a leader is whether his followers will adhere to his cause from their own volition, enduring the most ______ hardships without being forced to do so, and remaining steadfast in the moments of greatest peril.
选择题An important property of a scientific theory is its ability to ______ further research and further thinking about a particular topic.
选择题At first it seemed that the building would be all right but later it was found to need _____.
选择题Tom’ s mother tried hard to persuade him to ______ from his intention to invest his savings in stock market.
选择题His _____ in gambling has eventually brought about his ruin.
选择题These causes produced the great change in the country that modernized the ______ of higher education from the mid -1860’s to the mid-1880’s.
选择题Clearly a tug of war over key policies continues between the ______ and ideological camps.
选择题People who live in small towns often seem more friendly than those living in ______ populated areas.
选择题Because of the economic crisis, industrial output in the region remained _____.