两根不同的导体，横截面积SA＞SB且SA=2SB，串联在电路中，则电流_爱下问搜题

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问题选择题

两根不同的导体，横截面积S_A＞S_B且S_A=2S_B，串联在电路中，则电流I_A与I_B的关系是（　　）

A．I_A=2I_B

B．I_B=2I_A

C．I_A=4I_B

D．I_B=I_A

答案

答案：D

选择题

—The dish is delicious!

—Well, at least it's _____ the one I cooked yesterday. [ ]

A. as good as

B. worse than

C. as well as

D. as bad as

多项选择题

胃大部切除术后远期并发症包括（）

A.倾倒综合征

B.低血糖综合征

C.贫血

D.吻合口空肠溃疡

E.残胃癌