题目内容

What does the author suggest in the 3rd paragraph？

A. People should avoid working in cities.
B. Americans spend too little time outdoors.
C. There are several ways to avoid city pollution.
D. Hazardous gases are concentrated in industrial suburbs.

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A．happily B．accuratelyC．occasionally D．reluctantly

A. happily
B. accurately
C. occasionally
D. reluctantly

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In St. Louis, Missouri, 9,000 people were forced to leave their homes while the city was in danger. St. Louis is just downriver from the points where the Missouri and Illinois Rivers flow into the Mississippi. All three rivers were flooding. But the city escaped the worst when levees (堤) broke upriver. A levee is built of river sand and clay (粘土).
Eleven miles of flood walls were built in the late 1960’s. The walls are 18 inches thick and 5 to 22 feet high. They were designed to protect against a 52-foot flood. In St. Louis, water almost reached the top of flood walls. It measured 49.4 feet.
第41题：The flood referred to in the passage ________.
[A] was the heaviest one in the history
[B] happened in Missouri and Illinois states
[C] happened in less than twenty percent of the states of U.S.A.
[D] was recorded several times

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听第8段材料，回答11~13题。
第11题：

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Paragraph 2_____________

A. Importance of Classroom Learning
B. Television-A Rich Source of information
C. Advertisements as Important Messages from the Mass Media
D. Various Messages One May Receive Each Day
E. Media-Means to Communicate Messages
F. Importance of the Mass Media

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What does the author suggest in the 3rd paragraph？

A. People should avoid working in cities. B. Americans spend too little time outdoors. C. There are several ways to avoid city pollution. D. Hazardous gases are concentrated in industrial suburbs.

A．happily B．accuratelyC．occasionally D．reluctantly

听第8段材料，回答11~13题。第11题：

Paragraph 2_____________

A. People should avoid working in cities.
B. Americans spend too little time outdoors.
C. There are several ways to avoid city pollution.
D. Hazardous gases are concentrated in industrial suburbs.

听第8段材料，回答11~13题。
第11题：