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【单选题】
4Ω的电阻接在内阻为0.2Ω、电动势为1.6V的电源两端,此时内阻上通过的电流是( )。A.
1 A
B.
1.4 A
C.
1.6 A
D.
1.5 A
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皮皮学刷刷变学霸
举一反三
【单选题】细菌生长周期分为哪几个时期？哪个时期的代时最短？
A.
迟缓期、对数期、稳定期、衰亡期；对数期代时最短
B.
迟缓期、对数期、稳定期、衰亡期；衰亡期代时最短
C.
迟缓期、对数期、波动期、衰亡期；对数期代时最短
D.
迟缓期、对数期、波动期、衰亡期；衰亡期代时最短
【简答题】Sometimes what appear to be problems (is, are) easily solved. 2. Joan is one of those people who (go, goes) out of their way to be helpful. 3. He is the only one of those boys who (is, are) willing t...
【简答题】Sometimes what appear to be problems (is, are) easily solved. 2. Joan is one of those people who (go, goes) out of their way to be helpful. 3. He is the only one of those boys who (is, are) willing to...
【简答题】Sometimes what appear to be problems (is, are) easily solved. 2. Joan is one of those people who (go, goes) out of their way to be helpful. 3. He is the only one of those boys who (is, are) willing to...
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