根据短文内容，判断正（T）误（F）。

     Look at the things. Mike's ruler is blue. Dale's pen is white. Alice's pencil isgreen. What's on the

desk? Oh! It's a key. It's my key.  It's black. Look at the jacket on the chair. It's not my jacket.  It's

Lucy's. What color is it? It's pink. Is it beautiful (漂亮的)?

(    )1. Mike's ruler is blue.      

(    )2. Alice's pen is green.      

(    )3. I have a black key.        

(    )4. My jacket is on the chair.  

(    )5. Lucy's jacket is pink.      

涂层干燥时，红外辐射源与工件距离为（）cm。

A．30～50

B．50～80

C．70～120

D．120～180