Wolfgang's father told him he couldn't play the piano yet because ______.
A.his sister was taking lessons
B.he had to help his mother
C.he was too small
D.he had to wait for sister to finish practising
第5题
与丙磺舒竞争自肾小管分泌的抗生素是
A.链霉素
B.青霉素
C.多黏菌素B
D.异烟肼
E.氯霉素
第6题
与丙磺舒竞争自肾小管分泌的抗生素是
A.链霉素
B.青霉素
C.多黏菌素B
D.异烟肼
E.氯霉素
第8题
A.几乎全部以原形经尿排泄
B.90%经肾小管分泌
C.20%经肾小球滤过,80%经肾小管分泌
D.与丙磺舒竞争经肾小管分泌
E.无尿患者,青霉素t1/2可缩短
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