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某砂土场中的一钻孔在15m处进行重型动力触探试验，贯入18cm，锤击数为30击，触探杆在地面以上长度为1.5m，地下水位2．0m，修正后的锤击数为（）。

A.14

B.11.3

C.13.3

D.13.5

答案

参考答案：C

单项选择题

Are you interested in seeing the beautiful fall foliage of New England but tired of traffic jams and overbooked hotels Then this year forget the crowds in New England and see the beautiful colors of autumn in the Catskills.
These rugged mountains in New York State, just 90 miles northwest of New York City, are famous for the legendary tales of Rip Van Winkle, and more recently for the summer hotels mat sprang up in the region during the 1940s, 1950s, and 1960s. Families trying to escape the heat of New York City found the Catskills to be the perfect place to stay for a month or so each summer. By the late 1950s there were over 500 resorts and hotels offering nighttime entertainment as well as all kinds of outdoor activities. Famous comedies like Jackie Gleason, Joan Rivers, and Sid Caesar all got their start touring the hotel clubs here. Since the introduction of air-conditioning and cheaper air travel, however, families have stopped coming to the Catskills in such large numbers, chasing instead more distant locations at different times of the year. Many of the Catskills hotels closed in the 1970s, but some remain and have expanded and changed their facilities to meet the needs of today’s visitors.
Currently, there are many activities available to the traveler besides witnessing the changing colors of the leaves. There is an all-organic sheep farm where visitors can see how a traditional sheep farm operates. There are also hundreds of miles of scenic drives in the area. Route 42, for instance, is an excellent site for spotting bald eagles. For more information on vacations in the Catskills, call the office of Public Information.

The word "spotting" underlined in Paragraph 3 means ______.

A．photographing

B．seeing

C．painting

D．shooting
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单项选择题

甲在木桶里养了一条毒蛇，一日外出，便将木桶盖紧，委托给乙看管。丙和丁到乙家玩，当丙得知木桶里装着蛇时，好奇心起，趁乙不在时，不顾丁的劝告，将木桶的盖子打开看蛇，结果蛇将丁咬伤。丁的受伤应由谁来负责( )

A．蛇的所有人甲负责
B．蛇的看管人乙负责
C．第三人丙负责
D．由甲、乙共同承担责任
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