气体和液体进样的区别是什么?
参考答案:
气体常用进样阀进样如0#机,液体常用精密注射器进样,这是二者主要区别。
Read and choose. 给下列问句选合适的答语。
( ) 1. What time is it?
( ) 2. How's the weather today?
( ) 3.What day is the first day of the week?
( ) 4. What's the date?
( ) 5. When is Spring Festival?
A. It's September fifth.
B. It's eight o'clock.
C. Sunday.
D. It's sunny.
E. It's in January or February.
在Dreamweaver中将文本添加到文档的方法有()
A.直接在文档窗口键入文本
B.从现有的文本文档中拷贝和粘贴
C.直接在Dreamweaver中打开文本文件
D.导入Microsoft Word内容