就是不明白为什么要这样填 1—5 D A D B B 6.—10.A D A C B
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就是不明白为什么要这样填 1—5 D A D B B 6.—10.A D A C B
22.Could you help _____ with _______ English,please.A.I,my B.me,me C.me,my D.my,I 23.A friend of _____ came here yesterday.A.my B.his C.him D.himself 24.______ pencil-box is beautiful.But ____ is more beautiful than ______.A.Toms,my,he B.Tom's,mine,his C.Tom's,mine,him D.Tom's,my,his 25.Most of ______like Chinese food.A.they B.Their C.Them D.theirs 26.Don't you let ____ help you A.I and my friend B.my friend and I C.my friend and me D.my friend and I to 27.How hard______ works!A.we B.him C.he D.his 28.______ have been chosen.A.I,you and he B.He,you and I C.You,he and I D.You,and me 29.She gave the erasers to Lucy and _______ .A.I B.me C.my D.mine 30.That's not ______,it is_______.I made it ______ .A.ours,mine,myself B.your,mine,myself C.yours,her,myself D.yours,my,myself
22.Could you help _____ with _______ English,please.A.I,my B.me,me C.me,my D.my,I 23.A friend of _____ came here yesterday.A.my B.his C.him D.himself 24.______ pencil-box is beautiful.But ____ is more beautiful than ______.A.Toms,my,he B.Tom's,mine,his C.Tom's,mine,him D.Tom's,my,his 25.Most of ______like Chinese food.A.they B.Their C.Them D.theirs 26.Don't you let ____ help you A.I and my friend B.my friend and I C.my friend and me D.my friend and I to 27.How hard______ works!A.we B.him C.he D.his 28.______ have been chosen.A.I,you and he B.He,you and I C.You,he and I D.You,and me 29.She gave the erasers to Lucy and _______ .A.I B.me C.my D.mine 30.That's not ______,it is_______.I made it ______ .A.ours,mine,myself B.your,mine,myself C.yours,her,myself D.yours,my,myself
答案不对吧
就是不明白为什么要这样填 1—5 D A D B B 6.—10.A D A C B
[a,b)×[c,d
a,b ,c ,d
如果(a+b)/b=(c+d)/d,那么a/b=c/d,为什么?
已知线段a,b,c,d(b ≠d),如果a/b=c/d=k 那么 a-c/b-d=a+c/b+d 为什么?
___he was still very young.A.When B.At C.For D.Since为什么这样填
( )-(c-d)=(a-c)-(-b+d)
A.B.C.D分别为什么元素?
运用平方差公式计算:(a-b+c-d)(a+b-c-d) ,就是想不通=[(a-d)+(c-b)][(a-d)-(c-b
为什么printf("%d,%d,%d",&a,&b,&c);a前面要加&
分解因式(a-b)(c+d)-(a-b)(c-d)
已知a>b,c>d,求证a+c>b+d.