产生这种疾病的原因不包括下列哪一项

A．土壤中硒含量过低

B．粮食中硒含量过低

C．环境中硒含量过高

D．真菌毒素中毒

E．饮水中有机物中毒

根据句意及汉语提示完成句子

1. An electric _______(电击) can kill you.

2. I_______(打) the ball with the bat.

3. I'll be_______（高兴的）to help you.

4. The doctor told him to _________ (呼吸)in deeply.

5. The__________（数量）of money should be written both inwords and in figures.