皮皮学，免费搜题
登录
搜题
【判断题】
风险投资具有高风险高收益的特点。A.
正确
B.
错误
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】生活污水中含有 、病原菌。虫卵等,排入水体或渗入地下水将造成污染,当溶解氧低于 mg/L , 就会影响鱼类的生活。
【单选题】对某些含有较多有机物的地面水及大多数工业废水,需要稀释后再培养测定BOD 5 ,以降低其浓度和保证有充足的溶解氧。稀释的程度应使培养中所消耗的溶解氧大于 mg/L ,而剩余的溶解氧 在 1mg/L 以上,耗氧率在40—70%之间为好。
A.
2
B.
3
C.
4
D.
5
【简答题】According to the text we can imagine that ________. [A] the doctor was poor too [B] the doctor was skilled and kind [C] the doctor was skilled but cruel D,. the doctor was glad to have got the two boo...
【单选题】You can't prescribe before you ______ as a doctor.
A.
fit
B.
qualify
C.
match
D.
equal
【单选题】---- The doctor told me not to drink too much , but I can’t help myself. ---- The doctor is right . ____ you drink , ______ you will be .
A.
the less ;the healthier
B.
the more ; the healthier
C.
the less; the unhealthier
D.
the more ; the healthiest
【简答题】阅读理解. Old John went to see a doctor . The doctor looked over him and said , 'Medicine can't help you. You must have a good rest. Go to a quiet place for a month , go to bed early , drink some milk , w...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
