Africa has been called the “dark continent” for a long time because ____ lacks technology, electricity and other ____ (achieve) of the modem world. However, it is beginning to change. Africa is starting to catch up with ____ (industry) countries and the driving force behind this new development is the Internet and the World Wide Web.

    Now Africa is the fastest ____ (grow) place on the earth. So far, governments, businesses and individuals ____ (realize) that in order to develop quickly, modem technology is needed.

    Only ten years ago a SIM card used to cost about $100 in Niger. Today you can buy one for under $2 and phone calls have become much ____ (cheap), too. As a result, 23% of its population are now mobile phone users.____ (equip) with this new service, people can connect to the Internet easily. Many Nigerians have access ____ the World Wide Web now.

    In Ethiopia farmers can now get the prices of their farming products in real time. Until recently, most of the small farmers of the country did not know ____ the prices of their products were at ____ certain time. Today, they can phone in and get an up-to-the-minute report on prices.

    When I was 12, I really liked snowmobiles. My brother Cody and I 1 together all the time. One 2 day, my cousin, Brittany, was here, and we decided to ride our really old, yet fun snowmobile. My mom was 3 about it at first but thought that we were4careful. So we went out just as usual and my brother carefully checked everything we 5before we rode. We got on: my brother in front,6 then my cousin Brittany and I in the 7 We were riding around in the back of the woods on the edge (边缘) of the field. Our faces were 8and became red,9we didn't care .We were having tons of 10! We had gone around the woods three times when we were coming to the edge that 11 the gravel road (碎石路). There was a driveway there and then a field across the road.

    I 12 my cousin shouting, “Faster! Faster! Cody! Go faster!” As she was shouting. I was 13 the gravel road in front of us. It was coming closer and closer but we still moved with a 14 speed. Just then. I knew something was 15 I looked up at my brother and could feel he was 16 starting to worry. We went through the driveway and I watched as we sped across the road. Then, BOOM! We hit the ditch (沟) and flew through the17for a short second and then hit the ground like a18 that had just fallen from the sky. At this point, there was nothing we could do. The snowmobile tipped and we all 19. We all felt frightened.20 we didn't have any serious problems.

作家莫言在他荣获诺贝尔文学奖的小说《蛙》中写道:“舞台上插着几十杆红旗，挂着红布白字横幅，……喇叭正播放着‘语录歌’:马克思主义的道路，千条万绪，归根结底，就是一句话，造反有理—造反有理—。这段描写表现得是我国哪一历史时期的场景（   ）