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【简答题】
f(x)=√x2与g(x)=(√x)2相同吗?为什么? 2、y=sin2x有界吗?为什么? 3、y=2^x有界吗?为什么? 4、y=cosx在〔0,2兀〕内,指出其单调性。
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【简答题】Around the world coral reefs(珊瑚礁) are facing threats(威胁) brought by climate change and great changes in sea temperatures. While ocean warming has been the primary focus for scientists and ocean policy...
【简答题】public class Example{ static String str=new String("good"); static char[] ch = {'a','b','c'}; public static void main(String args[]){ change(str,ch); System.out.print(str+" and "); System.out.print(ch...
【单选题】The workers can ____ the waste things ____ something useful.
A.
make, into
B.
change, into
C.
make, in
D.
change, to
【简答题】I had decided at the last minute to take my chances that the loans i had applied for would be approved, and that i could afford to come here
【单选题】One of the union members wished to put a change of the policy, but it was ______ by the chairman.
A.
turned in
B.
set apart
C.
brushed aside
D.
put aside
【简答题】下面程序的运行结果是( ) #include #include #define N 30 void change(char ch[]) { int i=0; while(ch[i]) { if(ch[i]>='a' && ch[i]='v' && ch[i]<='z') ch[i] -=21; i++; } } int main() { char ch[N]="ac8z" ; cha...
【单选题】某中班一词美术活动“画熊猫”,教师制定的目标之一是:让幼儿掌握画圆和椭圆的技能。这一目标属于幼儿园的( )
A.
中期目标
B.
近期目标
C.
活动目标
D.
长期目标
【简答题】I had decided at the last minute to take my chances that the loans I had applied for would be approved, and that I could afford to come here.
【单选题】According to t．he author，when some change in a product is necessary，a manufacturer will choose to__________ ．
A.
10wer the production cost
B.
hire a better designer
C.
improve its．Quality
D.
alter its image
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