政府对企业的征税是()电子商务的交易模式。
A.BtoB
B.BtoC
C.BtoG
D.CtoG
参考答案:C
The success of her business made _______tough to carry out her role as wife and mother.
A.that
B.this
C.it
D.her
酸枣仁汤的功用是()
A.养心安神,滋阴补肾
B.补肾宁心,益智安神
C.养心安神,和中缓急
D.养血安神,清热除烦
E.滋阴清热,养血安神