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【简答题】
The weight of a body ______ with latitude and altitude, its mass does not. (variable)
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】(一)观察得出x取值为1，2，…，8，则Lxy=（）。 A．201 B．-42 C．6 D．-6
A.
(一)
B.
已知某产品的两特性值x与y之间的散点图如下图所示。请回答下述问题。
C.
【单选题】(二)当批不合格品率恰为规定质量标准5%，前批质量为1%时，则生产方风险为（）。 A．99% B．87% C．13% D．1%
A.
(二)
B.
某厂生产刹车片，质量特性的二次抽样程序图和OC曲线如下图所示。试回答下述问题。
C.
图，经计算
。【单选题】下列说法与资料相符的是（）。 A．从产业看，第一、二、三产业投资额基本相当 B．2007年上半年，黑色金属矿采选、冶炼及压延加工业总投资额超过1000亿元 C．2007年上半年，农村投资在全国总固定资产投资中的比重在18%至20%之间 D．2005～2008年，全社会固定资产投资同比增长率持续提高
A.
2008年上半年，全社会固定资产投资68402亿元，同比增长26.3%。其中，城镇固定资产投资58436亿元，同比增长26.8%；农村固定资产投资9966亿元，同比增长23.2%。在城镇投资中，国有及国有控股投资23554亿元，同比增长19.3%。从项目隶属关系看，中央项目投资5123亿元，同比增长18.9%；地方项目投资53313亿元，同比增长27.6%。从产业看，第一、二、三产业投资分别为846亿元、26322亿元和31269亿元，同比分别增长69.5%、26.6%和26.2%。在全社会投资中，从行业看，煤炭开采及洗选业投资823亿元，同比增长42.0%；电力、热力的生产与供应业投资3546亿元，同比增长7.4%；石油和天然气开采业投资957亿元，同比增长19.8%；铁路运输业投资809亿元，同比增长20.4%；非金属矿采选、制品业投资1815亿元，同比增长46.7%；黑色金属矿采选、冶炼及压延加工业投资1596亿元，同比增长27.5%；有色金属矿采选、冶炼及压延加工业投资1012亿元，同比增长39.2%。
2008年上半年，全社会固定资产投资68402亿元，同比增长26.3%。其中，城镇固定资产投资58436亿元，同比增长26.8%；农村固定资产投资9966亿元，同比增长23.2%。在城镇投资中，国有及国有控股投资23554亿元，同比增长19.3%。从项目隶属关系看，中央项目投资5123亿元，同比增长18.9%；地方项目投资53313亿元，同比增长27.6%。从产业看，第一、二、三产业投资分别为846亿元、26322亿元和31269亿元，同比分别增长69.5%、26.6%和26.2%。在全社会投资中，从行业看，煤炭开采及洗选业投资823亿元，同比增长42.0%；电力、热力的生产与供应业投资3546亿元，同比增长7.4%；石油和天然气开采业投资957亿元，同比增长19.8%；铁路运输业投资809亿元，同比增长20.4%；非金属矿采选、制品业投资1815亿元，同比增长46.7%；黑色金属矿采选、冶炼及压延加工业投资1596亿元，同比增长27.5%；有色金属矿采选、冶炼及压延加工业投资1012亿元，同比增长39.2%。【单选题】His father is a renowned businessman, ______?
A.
isn’t he
B.
or something
C.
is he
D.
or not
【单选题】46（） A. a so B. so C. such a D. such
A.
For the people who have never traveled across the Atlantic the voyage is a fantasy. But for the people who cross it frequently one crossing of the Atlantic is very much like another, and they do not make the voyage for the (41) of its interest. Most of us are quite happy when we feel (42) to go to bed and pleased when the journey (43) . On the first night this time I felt especially lazy and went to bed (44) earlier than usual. When I (45) my cabin, I was surprised (46) that I was to have a companion during my trip, which made me feel a little unhappy. I had expected (47) but there was a suitcase (48) mine in the opposite comer. I wondered who he could be and what he would be like. Soon afterwards he came in, He was the sort of man you might meet (49) , except that he was wearing (50) good clothes that I made up my mind that we would not (51) whoever he was and did not say (52) . As I had expected, he ’did not talk to me either but went to bed immediately.
B.
I suppose I slept for several hours because when I woke up it was already the middle of the night. I felt cold but covered (53) , as well as I could and tries to go back to sleep. Then I realized that a (54) was coming from the window opposite. I thought perhaps I had forgotten (55) the door, so I got up (56) the door but found it already locked from the inside. The cold air was coming from the window opposite, I crossed the room and (57) the moon shone through it on to the other bed (58) . there. It took me a minute or two to (59) the door myself. I realized that my companion (60) through the window into the sea.