题目内容
（请给出正确答案）
us.
如果结果不匹配，请 联系老师 获取答案
更多“What caused the accident and w…”相关的问题
What caused the blackout in July 1977？
A. During a storm, lightning damaged cable.
B. Because of unemployment.
C. Heat waves had made people use too much electrical power.
D. Because the looters damaged the electricity supply.
What did Princess Diana think of her visit to Angola？
A．It had caused embarrassment to the British government.
B．It had brought her closer to the ordinary people.
C．It had greatly promoted her popularity.
D．It had affected her relations with the British government.
What is said about the over 100 aircraft incidents in the past 15 years？
A．They may have been caused by the damage to the radio systems.
B．They may have taken place during take - off and landing.
C．They were proved to have been caused by the passengers' portable computers.
D．They were suspected to have resulted from electromagnetic interference.
What is said about the over l00 aircraft incidents in the past 15 years？
A.They may have been caused by the damage to the radio system．
B.They may have taken place during take-off and landing．
C.They were proved to have been caused by the passengers’portable computers．
D.They were suspected to have resulted from electromagnetic interference．
What is color？ Why do some objects look red, others green, others blue？
Color is caused by reflected light rays. We see color because objects reflect light. Some thing that is red reflects mostly red light. In the same way, a green object reflects mostly green light. White objects reflect all colors of light. Black objects do not reflect any light.
What happens to the colors of light that are not reflected？ They are absorbed by the object. The darker the color, the less light is reflected and the more light is absorbed. Light that is absorbed is turned into heat. For this reason, dark-colored clothes are warmer in the sunlight than light-colored clothes.
Which is the main idea of this passage？
A．Dark-colored clothes are warmer in the sunlight.
B．Objects absorb part of the sunlight.
C．Color is caused by reflected light rays.
D．A red object reflects mostly red light.
What do we know about Milly from the story？
A. She was seriously ill.
B. She was hidden somewhere.
C. She had met with an accident.
D. She had caused a scandal.
According to the passage，what is the difference between tidal waves and tides？
A.Tidal waves are caused by underwater earthquake，but tides are not．
B.Tidal waves have regular rise and fall，but tides have not．
C.Tidal waves can be prevented，but tides can not．
D.Tidal waves can hit the land，but tides can not．
According to passage, it is telephone that ______.
A．has made letter writing an art
B．has prevented wars by avoiding written communication
C．has made world different from what it was
D．has caused wars by magnifying and extending human conflicts
It can be concluded from the passage that ______.
A．it' s mere fuss to write so much about the ideas, feelings and actions of youth
B．the author blames the young for being trouble-makers at home
C．the author blames the parents for not understanding what their children think and feel
D．the trouble in American families is often .caused by different ideas and opinions between parents and children
根据以下内容回答题：
A tid．al wave is a very large and very destructive wall of water that rushes in from the ocean toward the shore．Many scientists call these huge waves tsunami（海啸）．In Japanese tsunami means“storm wave”0r“tide”．But do you know that tidal waves are not caused bv storms and that they are not true tides at all？A true tide is the regular rise and fall of ocean waters，at def-inite times each day．But a tidal wave comes rushing in suddenly and unexpectedly．A tidal wave is caused by an underwater earthquake．Scientists call the underwater earthquake a seaquake．The word“seaquake”is made up of two words．the word’“sea”which means“ocean”and the word“quake”．To quake means“to shake”or“to tremble”．When a seaquake takes place at the bottom of the ocean，the ocean floor shakes and trembles，and sometimes the ocean floor shifts．It is this shifting that produces the tidal wave．The tidal wave begins to move across the sea at great speed． Tidal waves have taken many human lives in the past．Today scientists can predict when a tidal wave will hit land．They use a seismograph to do this．A seismograph is an instrument that records the strength，the direction，and the length of time of an earthquake or seaquake．It is not possible to hold back a tidal wave，but it is possible to warn people that a tidal wave is coming．This warning can save many lives．
According to the article，what causes a tidal wave？
A.The rise and fall of ocean water at regular times．
B.Seaquakes．
C.Storm．
D.The great speed of the ocean waves．
A.made
B.produced
C.given
D.opened
