(1) Exploring space has already     1    in the fight against world hunger. It has directly resulted in the many satellites that now orbit Earth. A number of the satellites     2     data on land and weather patterns. Then the data     3     (transmit) to scientists on Earth. After careful     4    , the scientists can provide useful     5     and advice for farmers. As a result, space-based science has helped farming in its efforts to grow enough food to feed Earth’s increasing population.

(2) To the public, he was seen as a slightly     6     but kind and funny man. He had a thick moustache and long white hair, which sometimes stood on end     7    he had just received an electric shock. Although he was a     8    , he sometimes forgot things, like his friends’ birthdays. But     9     his peculiarities, he was loved by his friends and neighbours. There is even a story about how he helped a little girl who knocked on his door and asked for help with her homework. In fact, Einstein often     10     people on the street who would stop him and ask him to help explain things.

I     1     my sister but she has one serious shortcoming. She can be really     2    . Although she didn’t know the best way of getting to places, she insisted that she     3     the trip properly. I asked her whether she had looked at a map yet. Of course she hadn’t; my sister doesn’t     4     details. So I told her that the source of the Mekong is in Qinghai Province. She gave me a     5     look-- the kind that said she would not     6    . When I told her that our journey would begin at an     7     of more than 5,000 metres, she seemed to be excited about it.