皮皮学，免费搜题
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【单选题】
A young chef is considering opening his own restaurant. To do so, he would have to quit his current job at $20 000 a year and take over a store building he owns that currently rents for $6 000 a year. To run the restaurant he would have to pay $50 000 for food and $2 000 for gas and electricity. What are his implicit costs?______.A.
$26 000
B.
$72 000
C.
$78 000
D.
$52 000
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皮皮学刷刷变学霸
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【简答题】(第五章)格鲁米特片处方:格鲁米特250g和淀粉(80 - 120目)50g混合,干淀粉15. 5g冲成10%浆冷 至50°C以下加入,制成软材。制粒,干燥,整粒,加入硬脂酸镁3.1 g、滑石粉6. 2g,混匀,压片。处方中淀粉主要作稀释剂,同时也兼有内加崩解剂的作用,干淀粉为外加___________,淀粉浆为黏合剂。
【多选题】做实验时,要注意
A.
一个人做实验时要关好门
B.
只有等实验平稳时可以暂时离开一会儿
C.
实验台上要将实验用的药品和仪器摆放整齐，不得放与实验无关的仪器和药品
D.
只有做无毒的实验时才可以吃点东西或喝水
E.
要事先查看实验室安全用具放置的确切位置
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