tune+sb+out

侯习居1624get+sb+into+trouble是什么意思 -
国先斌13870468765 ______ 给某人带来麻烦;使某人陷入困境.Even an experienced cumber will get into trouble.哪怕是个有经验的登山者也会陷入困境.But watch out you don't get them into trouble.但要当心,不要给他们找来麻烦.Nobody likes to get into trouble.没有谁愿意惹麻烦.

侯习居1624it's+abj+of sb+to do sth
国先斌13870468765 ______ 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.)

侯习居1624It is+形容词+for sb+to do和It is+形容词+of sb+to do的区别 -
国先斌13870468765 ______ It is nice for you to do it 你这么做对你自己很好.It is nice of you to do it 你能这么做真好(代表你人真好)

侯习居1624sb+be+adj+to do是不是适用于任何形容词的 -
国先斌13870468765 ______ 这个句式只适合于一部分形容词. She is kind to help me.这种说法是不对的,应该说It is kind of her to help me. 请记得采纳!

侯习居1624it take或took sb+...(时间:钱)+to do【组三个这种句子,并且把中文写上】谢 -
国先斌13870468765 ______ it take me ten dollers to buy a English book

侯习居1624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、... -
国先斌13870468765 ______[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.

侯习居1624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------ -
国先斌13870468765 ______ ∵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.

侯习居1624已知有理数a,b,c满足下列条件:a+b+c=0,且abc<0,试确定1÷a+1÷b+1÷c的符号 -
国先斌13870468765 ______ ^1/ 1/b+1/c=(b+c)/bc② 1/c+1/a=(c+a)/ca③ ①+②+③得 2(1/a+1/b+1/c)=(a+b)/ab+(b+c)/bc+(c+a)/ca=-(c^2+a^2+b^2)/abc>0

侯习居1624“水仙花数”是指一个三位数,其各位数的立方和等于该数,如153=13+53+33.编写程序输出所有的“水仙花数 -
国先斌13870468765 ______ #include<stdio.h> void main() { int a,b,c,sum; for(a=0;a<10;a++) { for(b=a+1;b<10;b++) { for(c=b+1;c<10;c++) { sum=a*a*a+b*b*b+c*c*c; if(sum>99) { if(sum<1000) printf(＂%d ＂,sum); } } } } }