皮皮学，免费搜题
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【单选题】
欲配制0.2 mol/L HCl溶液和0.2mol/L H2SO4溶液，量取浓酸的合适的量器是A.
容量瓶
B.
移液管
C.
量筒
D.
酸式或碱式滴定管
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】—Must I take a bus? —No, you _______. You can walk there. It's not far. [ ]
A.
must not
B.
don't
C.
don't have to
D.
had better had to
【单选题】— Must I take a bus? — No, you _____ . You can walk there. [ ]
A.
must not
B.
don't
C.
don't have to
D.
had better
【单选题】（ ）指教材被分成若干小步子，学生可自定学习步调，让学生对所学内容进行积极反应给予及时强化和反馈使错误率最低。
A.
程序教学
B.
组织教学
C.
个别化教学
D.
指导教学
【单选题】（ ）指教材被分成若干小步子，学生可自定学习步调，让学生对所学内容进行积极反应，并给予及时强化和反馈使错误率最低。
A.
程序教学
B.
组织教学
C.
个别化教学
D.
指导教学
【单选题】—Must I take a bus? —No, you _____. You can walk there.
A.
must not
B.
don’t
C.
don’t have to
D.
had better not to
【简答题】Dialogue 5 --Excuse me, Sir. Can you tell me where the_____1______ post office is? --Well, it's some ____2_____ from here. --How can I get there? --You can go there either on foot or by bus. In fact, ...
【简答题】“自动颜色”效果可以自动调节影像的 。
【单选题】Although I can walk about, there is still a _____ pain in my leg.
A.
weak
B.
soft
C.
gentle
D.
slight
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