哪个药只有在感染的细胞中被病毒的胸苷激酶催化生成三磷酸形式,才能发挥其抗病毒作用()
B
暂无解析
Bothofmybrothersarenowmarried,soIhavetwo_____.
重写句子:Whenwearerelievedofworkingpressuresoftheoffice,wecanenjoyhappinessandrelaxationathome.(modifyingphrase)
JeansaresohotthesedaysthatbignamestarsappearonTVadvertisingfortheir______brands.
AfaultlinerunsthelengthofNewZealand,whichmeansthatitoftenhas________.