皮皮学，免费搜题
登录
搜题
【简答题】
物理性污染的特点,及与化学污染、生物污染相比有何不同?
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
【单选题】—You are always full of . Can you tell me the secret?
A.
efforts
B.
strength
C.
force
D.
energy
【单选题】There is no doubt__________since he is always a punctual person.A．whether he will finish the wor
A.
14. There is no doubt__________since he is always a punctual person. A．whether he will finish the work on time
B.
if he will finish the work on time
C.
that he will finish the work on time
D.
how he will finish the work on time
【单选题】( )14. —I’m always afraid of giving a speech in front of the class. — ____ You can do it well.
A.
I ’ m sorry to hear that .
B.
Take it easy.
C.
You are too nervous .
相关题目：
【单选题】—You are always full of . Can you tell me the secret?
A.
efforts
B.
strength
C.
force
D.
energy