My grandpa has a farm. The farm is very big and beautiful. There are many animals on the farm. There are ten horses, seven goats, nine cows and many hens. The cows are black and white. The goats are white. The hens are very fat. My grandpa likes vegetables. So  there are a lot of potatoes, green beans, carrots and tomatoes. I like potatoes. My sister likes green beans. We all like this farm very much.

    Riding a bike is good exercise and great f____ But what do you do with your old bikes? American girl Nicole Basil has a w____answer to this question. She set up Pedal Power – a charity (慈善团体) to collect (收集) old b____and give them to people who need them.

    Nicole started Pedal Power when she was o____ 8 years old. She collects more than 250 bikes each year. Every November, Pedal Power holds a bike race to ask for more donations (捐赠品).

    Nicole also gives bikes to students as p____ Top students and hardworking students both get t____ “Some kids aren't as lucky as others , b____ they still do well in school,” she says. “ And I think they should get a prize.”

    A bicycle shop helps Nicole check every bike for the races so that n____is wrong with those bikes in the race. The owner of the bicycle shop says he is happy to h____the charity." This is just wonderful," he says." We need to learn from Nicole to help o____. People all think it's a good idea to do so.

如图所示，ab是水平面上一个圆的直径，在过ab的竖直平面内有一根通电导线ef，已知ef平行于ab，当ef竖直向上平移时，电流磁场穿过圆面积的磁通量将（     ）

增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错词下划一横线，并在该词下面写出修改后的词。

注意：1）每处错误及其修改均仅限一词；

2）只允许修改10处，多者（从第11处起）不计分。

    People used to communicate with each other through letters and public phones. So nowadays they use mobile phones and the Internet instead of. This change in communication have good effects on our works and life. Comparing with letters and public phones, mobile phones and the Internet are fast and much more convenient. If you missed your grandmother, you just lake out your phone and say “hello” to him. And she will be happy to hear your voice. If you want to place order with a foreign company, you can e-mail the message. It'll be minutes after you get their reply.