若APGlX模式的数据传输率为2666MB/s，APG 2X模式的数据传输率为533

补全对话。

A: Excuse me, is that your key?

B: 1_____, it isn't. It's Bill's.

A: OK. Bill, is this your 2_____ ?

C: Let 3_____  see. No, it 4_____. It is Bob's.

A: But 5_____  Bob?

C: He's 6_____  home now. You can 7_____ him at 839-0742.

A: 8_____  you.

C: You are welcome.

以下哪项的病变产生双侧对称的节段性分离性感觉障碍，痛温觉减弱或消失，触觉保留（）

A.侧索损害

B.脊髓半切综合征

C.前索损害

D.后索损害

E.中央管附近损害

气割时要求金属的导热性高。

Speaker A: Professor Lee, can I come to see you about my presentation this evening

Speaker B: ().

A. Yes. Is 8 o’clock a convenient time

B. Fine. Please come by Bus No.2.

C. No. Never mind.

D. Oh. That’s my pleasure.

线担槽口的宽度为（）mm。

A.65

B.75

C.85

D.95