【单选题】Such an error ______ this can be avoided, if you pay close attention to it.
【单选题】Such an error ________this can be avoided if you are more careful.
【单选题】角化层过度增厚,角化层细胞核未消失,粒层不明显 ,该病变为( )
【简答题】expression/ɪkˈspreʃn/
【单选题】精子的发生经过而卵细胞的发生不经过的时期是
【判断题】Person 4 : She gets excited about going to any country.
【简答题】A.They would help to spre, ada fatal disease. B.They would pose a threat to the children. C.They would ener domestic animals. D.They would ually kill off the deer.