皮皮学，免费搜题
登录
搜题
【多选题】
以下属于有毒的化学水质指标的是( )。A.
重金属
B.
多环芳烃
C.
各种农药
D.
溶解氧
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】用所给单词填空。 often many much tall old 1. How _________ do you take a shower? 2. How _________ is the onion? 3. — How _________ is your little sister? — She is 1.2 metres tall. 4. — How ___...
【单选题】How much is Beidou's estimated market worth by 2015?
A.
Two hundred billion yuan.
B.
Thirty million yuan.
C.
Two hundred billion US dollars.
D.
Thirty million US dollars.
【简答题】根据句意，用括号内所给单词的适当形式填空。 1.They _________(not have) a school trip. 2.How much _____(be) these green pants? 3.Sunday is the _____(one) day of a week. 4.My cousin _____(have) a cat. 5.My Birthday is Octobe...
【单选题】关于表单的处理,以下的说法正确的是:
A.
通常使用hidden控件隐式传递一些页面之间需要共享，但无需被用户查看到的数据
B.
'he is from {$country}' 是php中进行字符串内插的用法示例，如果$country变量的值为'china'，则结果为'he is from china'
C.
一个完整的GET-POST-GET流程，包含了两个HTTP请求和响应
D.
表单控件都是由` `类型的标记组成
【单选题】How much is the tuition cost for those lvy League universities each
A.
$35,000
B.
$38,000
C.
$63,000
D.
$65,000
【简答题】healthy energy weight amounts spend special independent absorbed started born 2.How much ___________ does the food offer?
相关题目：