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【判断题】
测量记录中,改过的数字、描涂不清的数字、不要的数字,应用橡皮擦干净,以保持记录整清楚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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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】People appreciate _______wit him because he has a good sense of humor.
A.
． to work
B.
． to have worked
C.
． working
【简答题】Because wealthy people are willing to take a risk, they are always presented wit investment opportunities
【单选题】Fear can be useful emotion to us because it can_____.
A.
stimulate many physical changes within our body
B.
quicken our heartbeat and responses
C.
pour large quantities of adrenaline into our bloodstream
D.
help us respond quickly to danger and protect ourselves
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