纵波直探头法主要用于检测与检测面平行的缺陷。
参考答案:对
根据汉语提示填写单词。
1.We ____(写) Christmas cards to our friends yesterday.
2.He ____(总是) goes home by bus.
3.____(为什么) do you give gifts at Christmas?
4.His ____(名字) was Jesus.
5.It is ____(闪耀) in the sky.
.A big earthquake________ Pakistan on October 8 , 2005, ________ over 70,000 people.
A.strikes; killing
B.struck; killing
C.knocked; killed
D.hit; kills