arm+sb+with+sth造句

游栏希4358用one of+最高级+可数名词复数;It's+adj+for sb+to do sth＂对某人做某事很...＂;so that＂为了＂the other＂两者中的另一个＂;stop sb(from)doing sth、stop... -
尚永肺17011393432 ______[答案] You must be one of the most dilligent students in your class.It's important for us to protect wild animalsMary started early so that she could catch the first bus to school.I have two brothers.One...

游栏希4358of和for的用法“Aphonecalltoyou.”＂Apho
尚永肺17011393432 ______ 1.“A phone call to you.”＂A phone call for you.＂哪句对,为什么?中文怎么译?两者都对,前者是打给你的,to 指对象,后者指目的,电话是找你本人的. ＂It＂...

游栏希4358初二下英语、一、用下列词组造句 1、There be+n复数+介+地点 某处有某处 2、it's +adj+for sb+to do sth对某人而言做某事是怎样的 3、more than 超过 4、... -
尚永肺17011393432 ______[答案] There are two desks in the room. It's easy for me to finish the work. He is more than sixty. He started learning English at the age of five. He is able to swim I enjoy reading. My home is far from our school.

游栏希4358已知非负数a,b,c满足条件a+b=7,c - a=5,设S=a+b+c的最大值为m,最小值为n,则m - n的值为------ -
尚永肺17011393432 ______ ∵a,b,c为非负数;∴S=a+b+c≥0;又∵c-a=5;∴c=a+5;∴c≥5;∵a+b=7;∴S=a+b+c=7+c;又∵c≥5;∴c=5时S最小,即S最小=12;∴n=12;∵a+b=7;∴a≤7;∴S=a+b+c=7+c=7+a+5=12+a;∴a=7时S最大,即S最大=19;∴m=19;∴m-n=19-12=7.

游栏希4358已知a,b,c是三个非负数,并且满足3a+2b+c=5, 2a+b - 3c=1,设s=2a+b - 5c,求s的取值范围? -
尚永肺17011393432 ______ 3a+2b+c=5,2a+b-3c=1, a=7c-3,b=7-11c; ∵a≥0、b≥0, ∴7c-3≥0,7-11c≥0, ∴3/7≤c≤7/11; S=2a+b-3c=2(7c-3)+(7-11c)-5c=-2c+1, ∵3/7≤c≤7/11, ∴-14/11≤-2c≤-6/7, ∴-3/11≤-2c+1≤1/7, ∴S取值范围{-3/11,1/7}

游栏希4358it's+abj+of sb+to do sth
尚永肺17011393432 ______ adj是说明sb的品质特点用of sb; 说明to do sth用for sb (说人的用of sb. 说事的用for sb.) It's very nice of you to help me. 你来帮助我,你真是太好了. It's very hard for him to study two languages. 对他来说学两门外语是很难的. 用介词后面的代词作主语,用介词前边的形容词作表语,造个句子.如果道理上通顺用of,不通则用for.如: You are nice. (通顺,所以应用of). He is hard. (人是困难的,不通,因此应用for.)

游栏希4358如何查看公司的加权平均资本成本?
尚永肺17011393432 ______ 随着收益法的应用在中国评估实践中的逐步增多,新的问题也在逐步增多.因为收益... 因为βU=βL*[S/B(1-t) +S] +βB*(B/B+S),其中债务融资的贝塔系数βB等于零,所以有...