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【判断题】
班级管理目标既是班级管理的起点,又是班级管理的归宿。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】已知2H 2 O 2 =2H 2 O+O 2 ↑，可以通过观察反应过程中O 2 的生成速度(即气泡从溶液中释放的速度)来判断H 2 O 2 分解反应的速度。请用所给的实验材料和用具设计实验，使其能同时验证过氧化氢酶具有催化作用和高效性。要求写出实验步骤、预测实验结果、得出结论，并回答问题。 实验材料与用具：适宜浓度的H 2 O 2 溶液，蒸馏水，3.5%FeCl 3 溶液，0.01%过氧化氢酶溶液...
【单选题】听力原文：M: I'd like to examine your eyes and we'll start with the chart. Would you sit here and look at the chart? Can you see any letters? W: Not really. The letters run together. They seem blurred. Q: ...
A.
In a hospital.
B.
At a school.
C.
In an office.
D.
In a post office.
【单选题】—Hello! This is Henry speaking. I'd like to speak to your father. —Sorry, he has _____ Shanghai. [ ]
A.
been in
B.
been to
C.
gone to
D.
come to
【单选题】—Where would you like to go on your summer holiday, Mike? —I'd like to go [ ]
A.
nowhere interesting
B.
interesting anywhere
C.
somewhere interesting
D.
interesting somewhere
【简答题】下列哪项不属于区别良、恶性肿瘤的要点:
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