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【单选题】
对 于 Ag+的 浓 差 电 池：(-) Ag ½ Ag+( 0.010 mol·L-1)½½Ag+( 1.0 mol·L-1) ½ Ag (+) 下列叙述中正确的是
A.
E MF Ө = 0 ， E MF ≠ 0
B.
E MF Ө ≠ 0 ， E MF = 0
C.
E MF Ө = 0 ， E MF = 0
D.
E MF Ө ≠ 0 ， E MF ≠ 0
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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】In the long run, an increase in the money supply:
A.
will increase real GDP and the price level.
B.
causes people to hold onto large sums of money.
C.
results in no change in real GDP.
D.
encourages people to save more money.
【单选题】The speed of rotating magnetic field depends on
A.
power supply frequency
B.
pair of magnetic poles
C.
both above
D.
none of above
【单选题】下列Do ``` Loop 循环计算2~100 偶数和,正确的是( )。
A.
Dim sum%, i% sum = 0 i = 2 Do While i <= 100 sum=sum + i i=i + 2 Loop MsgBox (sum)
B.
Dim sum%, i% sum = 0 i = i + 2 Do While i <= 100 sum=sum + i Loop MsgBox (sum)
C.
Dim sum%, i% sum = sum + i i = 2 Do While i >= 100 i = i + 2 Loop MsgBox (sum)
D.
Dim sum%, i% sum = 0 i = 2 Do sum = sum + i i = i + 2 Loop While i > 100 MsgBox (sum)
【单选题】有一 “人参”药材疑似伪品送检经鉴定:其横切面有多数点状维管束排成数个同心环,味稍甜,久嚼麻舌,它可能是
A.
商陆的根
B.
山莴苣的根
C.
西洋参的根
D.
华山参的根
【单选题】在ISO C90标准下执行以下关系表达式,结果为“真”的是(___)。
A.
2147483647 > –2147483648
B.
–1 < 0U
C.
(unsigned) –1 > –2
D.
2147483647 < (int) 2147483648U