泌尿系肿瘤中最常见的为()
A.输尿管肿瘤
B.肾细胞癌
C.膀胱肿瘤
D.肾胚胎瘤
E.肾盂肿瘤
参考答案:C
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.