Ⅰ.单词拼写
1．With vehicles increasing rapidly，traffic __________(排放物) are also on the increase in our city.
2．The rice cakes will ________(软化) when it is steamed in the pot for ten minutes.
3．Though they suffered heavy floods last summer，the villagers didn’t ________(挨饿) with the support of the government.
4．In order to protect the ________(生态) balance，the government made it a rule to forbid hunting wild animals.
5．You can see dark smokes ________(释放) from the chimneys of the factory day and night.
6．Though Mars has a lot in common with the Earth，it is not a ________(适合居住的) place for humans and animals.
7．In the past，people mainly burn firewood for ________(燃料)．
8．Overnight，the young man became a star who is known to people ________(世界各地的)．
【答案】1.emissions 2.melt 3.starve
4．ecology 5.released 6.habitable
7．fuel 8.worldwide
