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【多选题】
常用的碱性区域变色的指示剂有()A.
甲基橙
B.
酚红
C.
溴甲酚绿
D.
酚酞
E.
百里酚酞
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【简答题】茎的类型可以分为 。
【简答题】Part II Task 1 in P. 44 Listen and fill out the chart.
【简答题】Part II. Task 2 in P. 57 Listen to five short conversations. Then decide where they take place. 1) conversation 1 2) conversation 2 3) conversation 3 4) conversation 4 5) conversation 5
【简答题】Part II Task 2 in p31 2. Listen to a telephone dialogue and answer the following questions. 1) Where is Simon Weller calling from? 2) Where is Mr. Osman? 3) What time will Mr. Osman come back? 4) What...
【判断题】Part II Task 2 in p. 45 2. Listen and decide whether the following statements are true or false. 1) Trust is the most important thing for Koreans.
A.
正确
B.
错误
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