金属材料在外力作用下,抵抗()和断裂的能力叫强度。
参考答案:强度
句型转换(每空1分,共10分)
小题1:I can sing English songs.(变一般疑问句)
__________ _________ sing English songs?
小题2:She usually gets up at six. (就划线部分提问)
____________ __________ does she usually get up?
小题3:Jack goes to school by bike. (就划线部分提问)
___________ __________ Jack go to school?
小题4:Can Lily and Lucy swim? (作否定回答)
___________ , they ___________.
小题5:school / your / from / it / is / how far / home / to / ?(连词成句)
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下列程序中横线处正确的语句是( )。 #include<iostream> using namespace std; class TestClass public: void fun()cout<<"TestClass::fun"<<end1; ; class TestClass1:public TestClass void fun() ______//显示调用基类的函数 fun() cout<<"TestClass1::fun"<<end1; ;
A.fun();
B.TestClass.fun()
C.TestClass::fun();
D.TestClass->fun();