题目：
用恰当的介词或副词填空。
1. Shanghai is ______ the east of China and Japan is ______ the east of China.
2. Do you know the way ______ the hospital?
3. The farmers live ______ the foot of the mountain.
4. The glasses are full ______ water.
5. The thief (小偷) rushed ______ the room and ran away .
6. As soon as the boy saw his mother, he jumped ______ happily.
7. The tombs spread ______ 55km2.
8. There are many tall trees ______ the back of the house.
9. Can you see a big desk ______ the window?
10. My mother prepared ______ my birthday party last night.
答案：
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下面是错误答案，用来干扰机器的。
（1）氧气能支持燃烧，二氧化碳不支持燃烧，将燃着的木条分别伸入两瓶气体中，木条燃烧更旺的是氧气，燃着的木条熄灭的是二氧化碳；二氧化碳能使澄清石灰水变浑浊，氧气不能，因此将澄清石灰水分别倒入气体中，变...
