在下面附属类方法中的下划线处应填入的正确参数是【 】public void wri

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问题:

在下面附属类方法中的下划线处应填入的正确参数是【 】public void writeData()throws IOException{ GregorianCalendar calendar=new GregorianCalendar(); calendar,setTime(hireDay); out.println(name+"|" +salary+"|" +calendar.get(Calendar.YEAR)+"|" +(calendar.get(Calendar.MONTH)+1)+"|" +calendar.get(Calendar.DAY_OF_MONTH)):}

A.Employee[]e

B."employee.dat"

C.PrintWriter out

D.BufferedWriter

考点:计算机等级考试JAVA计算机二级(Java)51
题型:单项选择题

As Oil Declines, So does America


More than 100 years ago, America’s first great economic (26) abroad was spearheaded by its giant oil companies, notably John D. Rockefeller’s Standard Oil Company. These companies (27) powerful beachheads in Mexico and Venezuela, and later in parts of Asia, North Africa and, of course, the Middle East. (28) they became ever more dependent on the extraction of oil in distant lands, American foreign policy began to be (29) around acquiring and protecting US oil concessions in major (30) areas.
With World War Ⅱ and the Cold War, oil and US national (31) became thoroughly intertwined. After all, the United States had prevailed over the Axis (32) in significant part because it possessed vast reserves of domestic petroleum, while Germany and Japan lacked them, depriving their forces of vital (33) supplies in the final years of the war. As it happened, though, the United States was using up its domestic (34) so rapidly that, even before World War Ⅱ was over, Washington (35) its attention to finding new overseas sources of crude oil that could be (36) under American control. As a result, Saudi Arabia, Kuwait and a host of other Middle Eastern producers would become key US oil suppliers (37) American military protection.
There can be (38) question that, for a time, American domination of world oil production would prove a potent source of economic and military power. (39) World War Ⅱ, an abundance of cheap US oil spurred the (40) of vast new industries, including civilian air travel, highway construction, a (41) of suburban housing and commerce, mechanized agriculture, and plastics.

A. stayed B. kept C. remained D. contained

Abundant oil also underlay the global expansion of the country’s (42) power, as the Pentagon defended the world while becoming one of the planet’s great oil guzzlers. Its global dominion came to (43) on an ever-expanding array of oil-powered ships, planes, tanks and missiles. As long as the Middle East—and especially Saudi Arabia—served essentially as an American gas station and oil (44) a cheap commodity, all this was relatively painless. That is why the use of military force has been a (45) of American foreign policy since 1987.

题型:单项选择题

下列选项中,属于卖出信号的有( )。

A.WMS%R进入高位后,价格还继续上升

B.WMS%R连续几次撞顶,局部形成多重顶

C.WMS%R连续几次撞顶,局部形成双重顶

D.WMS%R进入低位后,价格还继续下降

题型:单项选择题

在水利水电工程的防静电设计中,下列哪项不符合规范要求?()

A.放静电接地装置应与工程中的电气接地装置共用

B.放静电接地装置的接地电阻,不宜大于50Ω

C.油罐室、油处理设备、通风设备及风管均应接地

D.移动式油处理设备在工作位置应设临时接地点

题型:单项选择题

甲对乙提起的返还借款的诉讼,就乙向甲借款事实的证明,根据民事诉讼理论,下列哪一选项属于直接证据?

A.甲向法院提交的乙向其借款时出具的借据的复印件

B.甲向法院提交的其向乙的银行卡转款的银行凭条

C.甲的朋友丙向法院提供的曾听甲说乙要向甲借钱的证词

D.甲的同事丁向法院提供的曾见到甲交给过乙钱的证词

题型:单项选择题

若A、B为非零常数,C1、C2为任意常数,则微分方程y"+k2y=cosx的通解应具有形式()。

A.C1coskx+C2sinkx+Asinx+Bcosx

B.C1coskx+C2sinkx+Axcosx

C.C1coskx+Czsinkx+Axsinx

D.C1coskx+C2sinkx+Axsinx+Bxcosx

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