重点讲解：
1. be responsible for 负有责任的；应承担责任的；
Cigarette smoking is responsible for about 90% of deaths from lung cancer.
因患肺癌而死亡者，约90%是吸烟所致UJQ#8C_!c._]+Nf~=.。
2. be capable of 有…能力的；能够…的；
The research shows that preschool children are capable of thinking in abstract terms.
研究表明，学龄前儿童具有抽象思维的能力U-cy1Xkh.u;%6HB(O-。
3. and so on 及诸如此类；等等；
They sell a wide range of domestic appliances ─ washing machines, dishwashers and so on.
他们出售各种家用电器——洗衣机、洗碗机等等v7~n,U]eA&dgH8s|86。
4. be faced with 面临；面对；摆在…面前；
We are faced with a serious problem.
我们面临着一个严重问题p6Ln[Q%rEyll。

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