皮皮学,免费搜题
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【简答题】
When I was in college, I decided to start a nonprofit organization to help people in need in my neighborhood. There were many people in need in the area where my college was located, and I had gotten to know a few of them, so my ( ) was to use my background in economics to help them. My ( ) was very simple: I tried to collect unwanted items from individuals and businesses. I worked with a(n) ( ) of businesses in the area, both small and big. Working with these businesses ( ) me to get donations of computers, books, and office supplies, as well as clothing and furniture. Every Saturday I set up a market in an empty building for people to purchase the goods. With the money I earned, I was able to purchase items needed for start-up businesses. I wanted to ( ) people to follow their dreams, and in the process, to have a source of income. My first recipient was a single mother who made beautiful clothes in her home. With the money I loaned her, she was able to purchase a sewing machine and ( ) her business. Soon she was selling her hand-made clothes on the Internet. I tried to ( ) my assistance at those who most needed it. The ( ) I had on the neighborhood was not only amazing, but also ( ) . There were eight new businesses that started, thanks to my donations. I worked under the ( ) that people are not poor by choice, and if given the opportunity to provide for themselves, they would jump at the chance.
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【简答题】简述矢量图的特点?
【判断题】制药工业高投入,高产出。
A.
正确
B.
错误
【单选题】用三角巾进行伤口包扎时按规定打________结。
A.
活结
B.
蝴蝶结
C.
方结(平结)
D.
其他结
【单选题】下列各配合物中,不存在金属一金属键的是( )。
A.
Hg2Cl2
B.
Al2Cl6
C.
K2Re2Cl8
D.
Co2(CO)8
【简答题】已知[Re2Cl8]2-具有重叠式构型,实验测定的Re—Re键(224pm)较正常单键短,试同答下列问题:①由Re原子的价轨道的成键情况说明为什么Re—Re键较正常单键短。②所属对称点群是什么?③为什么不是交叉式?
【单选题】制药企业的生产过程具有高度连续性,当系统停止生产一种产品时需要清理容器,而后才能生产另一种产品。因此,生产作业计划关键是决定原料端的投入。适合该企业采用的生产作业计划编制方法是
A.
反工艺顺序法
B.
线性规划法
C.
网络计划技术
D.
投入产出法
【简答题】讨论下列观测结果: (1)HfO2的相对密度(9.68)比ZrO2大得多。 (2)K3[Cr2Cl9]是强顺磁性物质。而K3[W2Cl9]却是逆磁性的。 (3)在逆磁性阴离子[Re2Cl8]2-中,ReCl4结构单元是采取重叠构象的。 (4)游离CH3CH=CH2 中 vC=C为1 652 cm-1,但在配合物K[PtCl3(CH3CH=CH2)]中,变为1 505 cm-1。
【简答题】生物碱多存在于()植物。
【简答题】简述矢量图的特点与优点
【单选题】我国医药工业相对于制药强国存在的问题包括
A.
技术创新能力弱,企业研发投入低,高素质人才队伍不够壮大,创新能力有待完善,原创药物少。
B.
产业结构亟待升级,一些重大,多发疾病的治疗药物和高端诊疗设备依赖进口,生物技术规模小,药物制剂发展水平低,药用辅料和包装材料新技术新产品开发不足
C.
产业集中度低,企业多,小,散等问题依旧突出;药品质量安全保障水平有待提高
D.
企业数量仍旧不足,亟待发展
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