更多"Some people thought that NASA acted"的相关试题:
[单项选择]In some cultures people who were thought to have the ability to (explain) dreams were likely to be highly respected.
A. interpret
B. intervene
C. inherit
D. impact
[填空题]A Frenchman thought that in cities people could feel free and live an easy life.
[简答题]Directions: In the past people thought that education was only for young people. But now it is believed that education is for a lifelong progress. Do you agree or disagree
[单项选择]Why are two shots thought to be necessary People born after 1957 have not been exposed to a similar virus. The first dose "primes" the immune system to respond, but it’s the second shot that triggers the production of antibodies. This is not unusual. A number of vaccines are given for the first time in multidose series. For example, the seasonal flu vaccine is given in two shots to children under 9 if they’ve never had the flu.
Why are two shots thought to be necessary
A. Because most people have not been exposed to a similar virus.
B. Because one shot is enough to trigger the production of antibodies.
C. Because flu vaccine has always been given in two shots.
D. Because most people have never had a flu.
[填空题]People once thought of the concept of obtaining fresh water from icebergs. But at that time, it was only (26) a joke more appropriate to cartoons than real life. But now it is being considered quite (27) by many nations, especially since scientists have warned that the human race will outgrow its fresh water (28) faster than it runs out of food.
Huge masses of ice are a possible source of fresh water that has always been (29) until recently. Three-quarters of the Earth’s fresh water supply is still in the form of ice, a reservoir of fresh water so (30) that it could supply water to all the rivers of the world for 1000 years. Floating on the oceans every year are 7659 trillion tons of ice in ten thousand icebergs that break away from the ice caps of poles. Huge masses of ice that (31) the shallow continental shelf give birth to icebergs throughout the year. Icebergs are formed entirely on land, breaking off when
