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问题 多项选择题

桥梁工程上部结构中装配式钢筋混凝土简支T梁的构造特点错误的是( )。

A．主梁中心间距1.6～2.2m

B．高跨比为1/16～1/11

C．梁肋宽度为12～18cm

D．横隔梁的肋宽12～16cm

答案

参考答案：C

选择题

将水灌入猪心脏的上腔静脉（下腔静脉扎紧），用手挤压心脏，水将从心脏的________流出。 [ ]

A．主动脉

B．肺动脉

C．肺静脉

D．主动脉和肺动脉

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阅读理解
阅读理解。
     Weather is the subject matter of Westerners whenever they met. Housewives, businessmen, factory
workers as well as farmers all talk about the weather. It's everyday news, whether or not conditions change.
Many newspapers carry a regular front page news story in addition to the full reports on as inside-page
provided by the weather service. Here are several different types of weather reports taken from the western
papers: 
     No. 1 Regional Forecast
New Jersey
     Today: Considerably cloudy with showers likely. High: 75-79. Southwesterly winds at 15-20m.p.h..
Precipitation (降水) probability 70 percent. Tonight: Warm and cloudy, rain likely. Low: 55-63.
Southwesterly winds at 15 to 20m.p.h.. Tomorrow: Showers and thunderstorms likely. High: 75-79.
Wind S to SW at 15 to 20m.p.h.
     No. 2 Three-day Forecast
Westchester, Rockland
     Friday: Mostly fine to partly cloudy. Saturday: Cloudy with some showers. Sunday: Mostly fine.
Temperature: Daytime highs will average in the upper 60's to 70's while overnight lows will average
in the low to 50's throughout the period.
     No. 3 Weather Stories
     Bitter cold, intensified (加剧) by high winds, gripped (控制) the Upper Midwest today, sheets of ice
and snow left by the winter's first major storm on highways throughout the area.
     At least six deaths were blamed on the storm.
     Hundreds of schools closed throughout the Upper Midwest yesterday and thousands of travelers
waited out the weather at roadside shelters (避难处).
     Temperatures dropped well below zero early today from the Northern Plains through the Western
Great Lakes under clearing skies. A 25-below-zero reading was forecast.
      Nearly a foot of snow fell on northern sections of Minnesota, Wisconsin and Michigan. And hardest
hit were Duluth, Minn. and Superior, Wis., where 12 inches were recorded. Winds went up to 50 miles
an hour.
1. In a street corner of London, two strangers may begin their talk with "_____".
[ ]
A. Hi, how are you?
B. What are you doing here? Waiting for someone?
C. A nice day, isn't it?
D. Didn't you listen to the weather report last night?
2. The noon temperature of _____ is nearly 70's at the weekend.
[ ]
A. Western Great Lakes
B. Duluth, Minn
C. Westchester, Rockland
D. New Jersey
3. It seems that _____ has plenty of rain at the present season.
[ ]
A. Western Great Lakes
B. Wisconsin
C. Westchester Rockland
D. New Jersey
4. Which of the following is most probable according to No.3?
[ ]
A. The traffic was terribly affected.
B. The Five Great Lakes were covered by heavy snow.
C. The temperatures might drop to 50℃.
D. Many schools were damaged in the snowstorm.
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