I_____ see (看见) your English book. It's

在测量一电阻（约为100）的实验中已使用了如下器材：电源（电动势约3V，内阻不计）、开关2只、导线若干。为完成测量还需要一个电流表和一个电阻箱，待选器材如下。

A．电流表 ：量程10mA，内阻约为50

B．电流表：量程0.6A，内阻约为1

C．电阻箱：最大电阻99.99

D．电阻箱：最大电阻999.9（1）上述器材中，电流表应选择___________ 电阻箱应选择___________（填器材前的字母）

（2）试画出测量电阻的电路图。

（3）实验中需要测量的数据是______________________     ______________________

用所测的物理量表示待测电阻=___________

10．Napoleon’s story proves that to be a hero has nothing to do with size,_______with a smart mind and a brave heart.

A．and

B．so

C．or

D．But

.

He always_________his time and his efforts       .

A．made the most of; paid off

B．made good use of; paid back

C．took the most of; paid for

D．made most of; paid up

下列哪项不会影响渠床糙率n（）

A.渠道流量

B.渠道水流含沙量

C.施工质量

D.边坡系数

On January 1,2004, Cayman Corporation bought manufacturing equipment for $ 30 million. On December 31, 2006, Cayman determined the equipment was impaired and recognized a $5 million impairment loss in its income statement. As of December 31, 2007, the fair value of the equipment exceeded the book value by $ 7 million. What amount of the recovery in value can Cayman recognize in its 2007 income statement under U. S Generally Accepted Accounting Principles (U. S. GAAP) and under International Financial Reporting Standards (IFRS)U.S. GAAPIFRS（）①A. $ 0 $ 7 million ②B. $ 5 million $ 5 million ③C. $ 0 $ 5 million

A．①

B．②

C．③