皮皮学，免费搜题
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搜题
【单选题】
关于创业，对大学生提供的建议中不可取的是A.
提高自身素质
B.
培养自己的商业头脑意识
C.
要有务实的、详尽的创业实施方案
D.
不要有太强的市场意识
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】沙丁胺醇剂量过大引起手指震颤的原因是
A.
激动骨骼肌N 2 受体
B.
激动骨骼肌β 2 受体
C.
激动中枢胆碱受体
D.
阻断骨骼肌β 2 受体
E.
阻断中枢多巴胺受体
【单选题】When you are sleeping, you had better _____ all your windows closed. [ ]
A.
don't keep
B.
not keep
C.
not to keep
D.
don't to keep
【单选题】According to the author, if you want to keep healthy, you had better ______.
A.
make the room dry
B.
keep the food in the refrigerator
C.
wash your hands as much as possible
D.
clean the surfaces with anti-bacterial products
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