用适当的关系词填空。 1. Two of the authors of the review also made a study published in 2014 ________ showed a mere five to 10 minutes a day of running reduced the risk of heart disease and early deaths from all causes. 2. The Chinese Ministry of Agriculture finds that between 2005 — when the government started a soil-testing program ________ gives specific fertilizer recommendations to farmers — and 2011, fertilizer use dropped by 7.7 million tons. 3. Many westerners ________ come to China cook much less than in their own countries once they realize how cheap it can be to eat out. 4. Self-driving is an area ________ China and the rest of the world are on the same starting line. 5. Kate, ________ sister I shared a room with when we were at college, has gone to work in Australia. 6. She and her family bicycle to work, ________ helps them keep fit. 7. Having enough fat and salt in your meals will reduce the urge to snack (吃点心) between meals and will improve the taste of your food. However, be careful not to go to extremes. Like anything, it is possible to have too much of both, ________ is not good for the health. 8. But Sarah, ________ has taken part in shows along with top models, wants to prove that she has brains as well as beauty. 9. My eldest son, ________ work takes him all over the world, is in New York at the moment. 10. Pahlsson and her husband now think the ring probably got swept into a pile of kitchen rubbish and was spread over the garden, ________ it remained until the carrot’s leafy top accidentally sprouted (生长) through it.