皮皮学，免费搜题
登录
搜题
【多选题】
餐巾环也称为餐巾扣,有 ( )的等。A.
瓷制
B.
银制
C.
骨制
D.
象牙
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】与120°边相同的角是( )
A.
-600°+k·360°,k∈Z
B.
-120°+k·360°,k∈Z
C.
120°+(2k+1)·180°,k∈Z
D.
660°+k·360°,k∈Z
【简答题】U1-P15 Further Listening- Passage-2. What are the two general levels of usage for language?A. Textbook and conversational language B. Polite and impolite language C. Spoken and written language D. For...
【单选题】与120°终边相同的角是
A.
-600°+k·360° ,k∈Z
B.
-120°+k·360° ,k∈Z
C.
120°+(2K+1)·180° ,k∈Z
D.
-660°+k·360° ,k∈Z
【单选题】2 What are the two general levels of usage for language?
A.
Polite and impolite language.
B.
Textbook and conversational language.
C.
Formal and informal language.
D.
Spoken and written language.
【简答题】热带气旋的主要天气特点包括:( )风()浪()雨
【单选题】2 What are the two general levels of usage for language? A. Polite and impolite language. B. Textbook and conversational language. C. Formal and informal language. D. Spoken and written language.
A.
B.
C.
D.
D
【单选题】与120°终边相同的角是
A.
-600°+k×360°,k∈Z
B.
-120°+k×360°,k∈Z
C.
120°+(2k+1)×180°,k∈Z
D.
660°+k×360°,k∈Z
相关题目：