【单选题】关于电子商务安全,下列说法中错误的是?
A.
电子商务安全包括计算机网络安全和电子交易安全
C.
电子商务安全与网络安全的区别在于其有不可抵赖性的要求
【简答题】供食用的冷冻的半头牛肉,为整头牛切成一半,未经进一步加工
【单选题】目前商业银行生存和发展的主要决定因素是 ( )。
【多选题】土地增值税清算时,关于扣除项目的确定,下列说法正确的有( )。
A.
房地产开发企业办理土地增值税清算时,除另有规定外,计算与清算项目有关的扣除项目金额不能提供合法有效凭证的,不予扣除
B.
房地产开发企业办理土地增值税清算附送的前期工程费、建筑安装工程费、基础设施费、开发间接费用的凭证或资料不符合清算要求的,不予扣除
C.
房地产开发企业为取得土地使用权所支付的契税,计入“与转让房地产有关的税金”中扣除
D.
房地产开发企业销售已装修的房屋,其装修费可以计入房地产开发成本
【单选题】The Internet is improving by leaps and bounds every day because it______.
A.
is easier to learn than merely face-to-face
B.
provides an excellent and powerful resource
C.
is increasingly equal and affordable
D.
is an increasing supply of millions of URLs
【简答题】A.It is good for improving muscle tone. B.It helps him lose weight. C.It helps develop mental toughness. D.It helps strengthen the heart.
【简答题】A.It is good for improving muscle tone. B.It helps strengthen the heart. C.It helps develop mental toughness. D.It does good to his skills.
【简答题】A.It is good for improving muscle tone. B.It helps strengthen the heart. C.It helps develop mental toughness. D.It does good to his skills.
【单选题】在两金属相接触后,逸出功较小的金属由于( )电子而( )电势。