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Here are some facts about homes in the United States and the people who live in them. In the early 1990s, about 50% of the Americans owned their homes and the rest rented (租) their homes. The rented homes were usually apartments (公寓). 74% of the people in the US make their homes in or around cities. 26% live in the country. Dogs live in about 40% of all homes in the US. About half that number have cats. Families in the US are becoming smaller. On the average (平均), 2.64 people lived at home in early 1990s. In 1960, the average was 3.5. Half of the teenagers in the US have their own bedrooms. An American moves, on the average, twelve times in his or her life. In Japan a person moves about five times, and in England a person moves eight times. 小题1:Most Americans live ________, according to the passage. A.in or around the cities B.in cities C.around cities D.in the country 小题2:How many American families own a cat? A.About 40%. B.About 20%. C.About 74%. D.About 26%. 小题3:On the average, there were ________ people in an American family in 1994. A.more than 3 B.only 3.5 C.less than 2 D.about 2.64 小题4: ________ in the US have their own bedrooms. A.All of the people B.Most of the children C.Half of the teenagers D.Only some of the teenagers 小题5:What can we learn from the passage? A.In the early 1990s, most of the Americans owned their homes. B.Families in the US are becoming bigger and bigger. C.A Japanese moves more often than an American. D.An American moves more often than an Englishman.
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举一反三
【简答题】《当你老了》全诗三节,每节韵律严整,韵法为 abba cddc ________ 。
【单选题】下面哪项不是八角茴香的鉴别特征()
A.
果实常由八个骨突果聚合而成
B.
外表红棕色,种子扁圆形
C.
顶端有花柱基,荃部有果柄,长分为两个分果
D.
具浓郁特愈香气,味甜而后辛
E.
以上都对
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A.
沉积层
B.
地层
C.
油层
D.
非射孔
【单选题】下列哪首诗不是林黛玉写的?()
A.
《葬花吟》
B.
《桃花行》
C.
《寄生草》
D.
《秋窗风雨夕》
【简答题】通过梨状肌上孔的结构从外侧向内侧依次是________、_______和_______。通过坐骨小孔的结构由外侧向内侧依次是__________、__________和_______。
【判断题】缩短版商品条码所表示的代码由13位数字组成。
A.
正确
B.
错误
【单选题】从会计要素出发,将会计科目分为资产类、负债类、( )类等。
A.
资本
B.
开支
C.
收益
D.
所有者权益
【简答题】已知函数f(x)=lnx- 1 2 ax 2 -2x(a<0). (Ⅰ)若函数f(x)在定义域内单调递增,求实数a的取值范围; (Ⅱ)若a=- 1 2 ,且关于x的方程f(x)=- 1 2 x+b在[1,4]上恰有两个不等的实根,求实数b的取值范围; (Ⅲ)设各项为正数的数列{a n }满足a 1 =1,a n+1 =lna n +a n +2(n∈N * ),求证:a n ≤2 n -1.
【单选题】李先生,60岁,平素身体健康,吸烟史20年,平均20支/日以上,突然咯血30ml,无其他不适,护理体检未发现异常,为排除肺癌住院,明确诊断的简单有效的方法是
A.
血沉
B.
血甲胎蛋白测定
C.
痰脱落细胞检查
D.
颈淋巴结活检
E.
纤维支气管镜检查
【单选题】从会计要素出发,将会计科目分为资产类、负债类、所有者权益类、成本类及( )类。
A.
收入
B.
费用
C.
利润
D.
损益
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