African slaves were transported to cotton and tobacco _______ in America in the 1600s.

石墨烯电子迁移率（）cm2/V*S。 A: 15000 B: 16000 C: 1500 D: 1600

In the early 18thcentury, following the decline of the Mughal Empire, Britain expanded its powder in India, where British influence had begun in the early 1600s.

长期测量1600℃左右的温度宜选用（）测温元件。 A: S B: B C: K D: T

流体在水平圆形直管内流动，已知雷诺准数是1600，管内流速是1m/s，管中心处的流速是（） A: 0.5m/s B: 0.8m/s C: 1m/s D: 2m/s

By which year is it thought that William Shakespeare’s plays were beingregularly performed in London? A: 1592 B: 1596 C: 1600 D: 1601

已知4进制数字信号的传码率为400波特,转换为2进制数字信号的传输速率为_( )___。 A: 400 b/s B: 800 b/s C: 1600 b/s D: 3200 b/s

Which of the following is referred to as the Dark Ages A: The year 1600. B: The 1600s. C: The time between 1606 and 1871. D: The period from the 4th to the 14th century.

在Photoshop7.0中图像显示比例的范围是下列哪一项（）。 A: 0.16%～1600％ B: 0.33%～1600% C: 0.83～1600% D: 1.33%～1600%

企业经股东大会批准，向投资者宣告分配现金股利1600元，下列分录中正确的是（）。 A: 借：本年利润1600贷：应付股利1600 B: 借：应付股利1600贷：银行存款1600 C: 借：利润分配--应付现金股利1600贷：应付股利1600 D: 借：利润分配--应付现金股利1600贷：银行存款1600