家蚕、蟾蜍和家鸽共有的特征是 [ ]
A.体内受精
B.卵生
C.变态发育
D.用肺呼吸
答案:B
Lily's mobile phone was left in a taxi accidentally, never____ again. [ ]
A. to find
B. to be found
C. finding
D. being found
在借贷记账法下,会计科目用哪一方登记增加或减少取决于会计科目的性质。