控制性降压时平均压一般不应低干（）

A.8kPa

B.9kPa

C.9.5kPa

D.10kPa

E.10.5kPa

下列每句的画线部分中有一处错误，找出并改正。

(     ) 1. I think the TV invented before the computer. 

                 A                   B          C

( ) 2. The battery-operated slippers are used for see in the dark. 

                              A                                   B         C

( ) 3. The most annoyed invention is the alarm clock. 

                     A         B           C

( ) 4. It gives people more time to work and to play every day. 

                                          A            B               C

( ) 5. You didn't have a lot of modern inventions. 

                       A                B                      C