（    ）31．A．so                B．and                     C．but                         D．or

（    ）30．A．by                B．into                     C．from                      D．of

（    ）29．A．earth           B．sun                      C．moon                     D．satellite

（    ）28．A．different       B．difficult               C．easy                       D．important

（    ）27．A．call              B．read                    C．count                     D．write

（    ）26．A．make sure       B．look at                 C．write down             D．find out

25．You look_____．What do you_____ ?

A．worried; worried about                            B．worry; worried about

C．worried; worry about                                 D．worry; worry about

What time is it? There are many ways you can  26  the time．You may have a watch on your wrist（手腕）．You can look at a clock on the wall．You can listen to the radio or  27  a number on the telephone to get the time．

It has not always been  28  to know the time．But a long time ago．People looked at the  29  to tell the time．They could tell the time by looking at it in the sky: morning．noon or afternoon．

Around the year 1400，people began to use the hourglass（沙漏）． It was made  30  glass with sand in it．It was wide at both ends， 31  narrow（窄的）in the middle．The sand ran from one end to the other in one hour．At the end of every hour peop1e turned the glass over and it began  32 

Hundreds of years later a machine called 33 was invented．After that people made small clocks so that they could  34  them in their pockets．These pocket clocks were called watches．Then，during the first world war（战争）men started  35  their watches on their wrists．It was easier and faster to tell the time．

24．It _____ me two hours to get there by bus．

A．spent                     B．took                             C．used                      D．paid

23．I am going to get my hair _____this afternoon．

A．cut                      B．to cut                         C．cutting                   D．be

22．He is the only one of the workers who_____ Japanese．

A．speak                  B．speaking              C．speaks                    D．to speak