某种病菌感染人体并侵入细胞内后,机体可以对该靶细胞产生免疫反应,其中有
A:效应B细胞接触靶细胞,导致胞细胞裂解,从而使病菌抗原被白细胞介素消灭
B:效应B细胞接触靶细胞,导致胞细胞裂解,从而使病菌抗原被抗体消灭
C:效应T细胞接触靶细胞,导致胞细胞裂解,从而使病菌抗原被外毒素消灭
D:效应T细胞接触靶细胞,导致胞细胞裂解,从而使病菌抗原被抗体消灭
选词填空。
building,relax,arrive,take,excited
I'm Zhou Qin.Sometimes I go out to____when I feel tired.Last week,I visited a small village.
I____at the village in the morning.It was cold but i was very____.My friend,Li Guang,met me at the station and we walked towards an old____.We watched some pictures on its walls and I____some photos.I wanted to write about those pictures.
煎熬____(áo náo) 波澜____(lán luán) 玫瑰____(méi měi)
抒情____(shū sū) 桅杆____(wéi wěi) 严峻____(jùn jǜn)
豁达____(huō huò) 地窖____(jiào kù) 倔强____(juè jué)
骡子____(luó lèi)