单项选择题履行期限不明确的,双方当事人可以另行协议补充,如果协议补充不成的,应当根据合同的有关条款和交易习惯来确定。如果还无法确定的,债务人可以随时履行,债权人也可以随时要求履行,但应当给对方必要的准备时间。
未分类题It can be inferred that the author would define as 'political' (Line 1, ParA.3) the questions that _____.A.cannot be resolved without extensive debatE.B.are primarily academic in nature and open to abstract analysis.C.are contested largely through contention over power.D.will be debated by both men and women.
判断题莫兰迪色调的特性是色彩比较中性,也就是偏灰,饱和度较低
未分类题微型计算机中运算器主要功能是进行( )。D.算术和逻辑运算
单项选择题设是维纳过程, 且对任意 有 . 则( ). A、 B、 C、 D、