连词成句。

1. I, shorter, my, than, father, am (.)

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2. about, two, hundred, long, It's, kilometres (.)

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3. my, uncle, work, on, the, computer, likes, to (.)

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4. go, for, a, walk, they, in, the, evening, like, to (.)

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5. sitting, Li, Ming, or, is, standing (?)

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计算题：已知氨水的氨浓度为180滴度（20滴度等于1mol/l），请把氨浓度换算成质量百分浓度。（氨水比重d=0.86）。