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56­year­old becomes 1st woman to swim Atlantic (AP)-Jennifer Figge pressed her toes into the Caribbean sand, excited and exhausted as she touched land this week for the first time in almost a month. Reaching a beach in Trinidad, she became the first woman on record to swim across the Atlantic Ocean—a dream she'd had since the early 1960s,when a stormy trans­Atlantic (飞越大西洋) flight got her thinking she could wear a life vest and swim the rest of the way if needed. The 56­year­old left the Cape Verde Islands off Africa's western coast on Jan.12,2009, swimming 19 out of 25 days battling waves of up to 30 feet.The distance from Cape Verde to Trinidad is about 700 miles.Crewmembers are still computing exactly how many miles she swam. The original plan was for her to swim to the Bahamas—a distance of about 2,100 miles—but inclement (恶劣的) weather forced her to change her plans and she arrived at Trinidad on Feb.5.She now plans to swim from Trinidad to the British Virgin Islands,ending her voyage at the Bitter End Yacht Club in late February. Her journey came a decade after French swimmer Benoit Lecomte made the first known solo trans­Atlantic swim,covering nearly 4,000 miles from Massachusetts to France in 73 days.No woman on record had made the crossing. Figge wore a red cap and wet suit,with her only good­luck charm (护身符) underneath:an old,red shirt to guard against chafing (磨痛),signed by friends,relatives and her father,who recently died.The other cherished (珍惜) possession she kept onboard was a picture of Gertrude Ederle,an American who became the first woman to swim across the English Channel.“We have a few things in common,”Figge said,“She wore a red hat and she was of German descent (血统).We both talked to the sea,and neither one of us wanted to get out.” 小题1:When did Jennifer Figge want to swim across the Atlantic Ocean? A.After she reached a beach in Trinidad. B.After she pressed her toes into the Caribbean sand. C.After her stormy trans­Atlantic flight in the early 1960s. D.After her graduation from a university. 小题2:Jennifer Figge had to change her plans ____. A.because she wanted to shorten her voyage B.because of bad weather conditions C.because she wanted to end her voyage in late February D.because she wanted to set a new world record 小题3:When did Benoit Lecomte probably make the first known solo trans­Atlantic swim? A.In 1999. B.In 1988. C.In 1978 . D.In 1968. 小题4:For what purpose did Jennifer Figge keep a photo of Gertrude Ederle? A.Figge would like to follow her example. B.She had the same red cap as Figge always wore. C.Figge also wanted to swim across the English Channel. D.They were both born in Germany.
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【多选题】视网膜中央动脉阻塞眼底表现为
A.
视网膜动脉纤细如丝
B.
视网膜静脉粗大扭曲
C.
视网膜缺血水肿
D.
黄斑呈樱桃红
E.
视网膜大片出血
【单选题】视网膜中央动脉阻塞超声表现为()
A.
急性期,中央动脉血流频谱消失
B.
病变2周以上,中央动脉血流也难以恢复
C.
恢复后与健侧眼动脉存在区别
D.
恢复后与健侧眼睫状动脉存在区别
E.
恢复后与健侧眼中央动脉存在区别
【单选题】He raised his eyebrows and stuck his head forward and ______ it in a single nod, a gesture boy, used then for O. K. when they were pleased.
A.
shrugged
B.
tugged
C.
jerked
D.
twisted
【简答题】bushy eyebrows
【单选题】2008年9月以来,由“三鹿奶粉”引发的“毒奶粉”事件在社会上闹得沸沸扬扬,其罪魁祸首就是三聚氰胺,三聚氰胺的化学式为C 3 H 6 N 6 .尿素的化学式为CO(NH 2 ) 2 ,则下列说法正确的是(  )
A.
三聚氰胺是由3个碳原子、6个氢原子和6个氮原子构成的
B.
三聚氰胺是由3个碳元素、6个氢元素和6个氮元素组成
C.
三聚氰胺和尿素都是由三种元素组成的
D.
三聚氰胺的含氮量比尿素的含氮量高
【简答题】He raised his eyebrows and stuck his head forward and ________ it in a single nod, a gesture boys used then for O.K. when they were pleased. A) shrugged B) tugged C) jerked D) twisted
【简答题】震惊全国的“三鹿奶粉”事件中的罪魁祸首是三聚氰胺(分子结构如图).三聚氰胺是一种重要的化工原料,由于其含氮量高,且目前国际上又通用“测氮法”标定牛奶中蛋白质含量,于是一些不法商人就将其混入奶粉中以“提高”奶粉的品质. (1)三聚氰胺的化学式为:______. (2)三聚氰胺中氮元素的质量分数为______(保留一位小数) (3)奶粉中蛋白质含量为15~20%,蛋白质中含氮量平均为16%,若不法分子...
【简答题】震惊全国的“三鹿奶粉”事件中的罪魁祸首是三聚氰胺(分子结构如图).三聚氰胺是一种重要的化工原料,由于其含氮量高,且目前国际上又通用“测氮法”标定牛奶中蛋白质含量,于是一些不法商人就将其混入奶粉中以“提高”奶粉的品质. (1)三聚氰胺的分子组成为 _____ ; (2)三聚氰胺中碳、氢元素的质量比为 ____ ; (3)三聚氰胺中氮元素的质量分数为 _ (计算结果精确到 0.1%); (4)奶粉中蛋...
【单选题】He raised his eyebrows and stuck his head forward and ______ it in a single nod, a gesture boys used then for OK when they were pleased.
A.
jerked
B.
twisted
C.
shrugged
D.
tugged
【简答题】震惊全国的“三鹿奶粉”事件中的罪魁祸首是三聚氰胺(分子结构如图所示)。三聚氰胺是一种重要的化工原料,由于其含氮量高,且目前国际上又通用“测氮法”标定牛奶中蛋白质含量,于是一些不法商人就将其混入奶粉中以“提高”奶粉的品质。 (1)三聚氰胺的化学式为: 。 (2)三聚氰胺中氮元素的质量分数为 (保留一位小数) (3)奶粉中蛋白质含量为15~20%,蛋白质中含氮量平均为16%,若不法分子在某品牌奶粉1袋...
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