Today, most countries in the world have canals. Many countries have built canals near the coast, and parallel (67) the coast. Even in the twentieth century, goods can be moved more cheaply by boat than by any other (68) of transport. These (69) make it possible for boats to travel (70) ports along the coast without being (71) to the dangers of the open. Some canals, such as the Suez and the Panama, save ships weeks of time by making their (72) a thousand miles shorter. Other canals permit boats to reach cities that are not (73) on the coast; still other canals (74) lands where there is too much water, help to (75) fields where there is not enough water, and (76) water power for factories and mills. The size of a canal. (77) on the kind of boats going through it. The canal must be wide enough to permit two of the largest boats using it to (78) each other easily. It must be deep enough to leave about two feet of water (79) the keel of the largest boat using the canal. When the planet Mars was first (80) through a telescope, people saw that the round disk of the planet was crises-crossed by a (81) of strange bluegreen lines. These were called "canals" (82) they looked the same as canals on earth (83) are viewed from an airplane. However, scientists are now (84) that the Martian phenomena are really not canals. The photographs (85) from space-ships have helped us to (86) the truth about the Martian "canals".
A. [A] lain
B. set
C. stationed
D. located
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Questions 19 to 22 are based on the conversation you have just heard.
A. [A] Take a history exam. [C] Meet some classmates.
B. [B] Go to an art exhibit. [D] Help the man with his painting.
Today, most countries in the world have canals. Many countries have built canals near the coast, and parallel (67) the coast. Even in the twentieth century, goods can be moved more cheaply by boat than by any other (68) of transport. These (69) make it possible for boats to travel (70) ports along the coast without being (71) to the dangers of the open. Some canals, such as the Suez and the Panama, save ships weeks of time by making their (72) a thousand miles shorter. Other canals permit boats to reach cities that are not (73) on the coast; still other canals (74) lands where there is too much water, help to (75) fields where there is not enough water, and (76) water power for factories and mills. The size of a canal. (77) on the kind of boats going through it. The canal must be wide enough to permit two of the largest boats using it to (78) each other easily. It must be deep enough to leave about two feet of water (79) the keel of the largest boat using the canal. When the planet Mars was first (80) through a telescope, people saw that the round disk of the planet was crises-crossed by a (81) of strange bluegreen lines. These were called "canals" (82) they looked the same as canals on earth (83) are viewed from an airplane. However, scientists are now (84) that the Martian phenomena are really not canals. The photographs (85) from space-ships have helped us to (86) the truth about the Martian "canals".
A. [A] held
B. got
C. taken
D. developed
依次填入下列各句横线处的词语,恰当的一组是()①“9·11”事件刚一发生,很快地在全世界各国______开了。②昨天,法院就某领导人______职权,对下属婚姻横加干涉一案,开庭审理。③世界和平是______不来的,只有通过各国人民的团结斗争才能取得。
A. 宣扬 乱用 祈求
B. 宣扬 滥用 乞求
C. 传扬 滥用 乞求
D. 传扬 乱用 祈求
Today, most countries in the world have canals. Many countries have built canals near the coast, and parallel (67) the coast. Even in the twentieth century, goods can be moved more cheaply by boat than by any other (68) of transport. These (69) make it possible for boats to travel (70) ports along the coast without being (71) to the dangers of the open. Some canals, such as the Suez and the Panama, save ships weeks of time by making their (72) a thousand miles shorter. Other canals permit boats to reach cities that are not (73) on the coast; still other canals (74) lands where there is too much water, help to (75) fields where there is not enough water, and (76) water power for factories and mills. The size of a canal. (77) on the kind of boats going through it. The canal must be wide enough to permit two of the largest boats using it to (78) each other easily. It must be deep enough to leave about two feet of water (79) the keel of the largest boat using the canal. When the planet Mars was first (80) through a telescope, people saw that the round disk of the planet was crises-crossed by a (81) of strange bluegreen lines. These were called "canals" (82) they looked the same as canals on earth (83) are viewed from an airplane. However, scientists are now (84) that the Martian phenomena are really not canals. The photographs (85) from space-ships have helped us to (86) the truth about the Martian "canals".
A. [A] trip [C] voyage
B. [B] journey [D] route