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容易氧化变质的药物是( )。
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男性，65岁，慢性肺心病，近几日因感冒而气急、咳嗽、痰不易咳出，体温38.9℃，脉搏110/min，呼吸24/min，口唇发绀，下肢水肿，情绪不稳，对疾病缺乏正确认识。 吸痰操作中，下列哪项错误( )。
Every culture (文化) calls leachers dlferendy. For example. itl many countries sludents call all teache "Teacher. " In the United Stales and Canada. this is not polite. It is important to know your teachers’ names and how to call them. Then you can create (创造) a good relationship (关系) with your teacher. Also. you can ask queslions when you need help. Different eoumries beve diftherent waya to can tmchers. A. True. B. False.
Political controversy about the public-land policy of the United States began with the America Revolution. (1) , even before independence from Britain was (2) , it became clear that (3) the dilemmas surrounding the public domain might prove necessary to (4) the Union itself.At the peace negotiation with Britain, Americans obtained a western (5) at the Mississippi River. Thus the new nation secured for its birthright a vast internal empire rich in agricultural and mineral resources. But (6) their colonial charters, seven states claimed (7) of the western wilderness. Virginia’s claim was the largest, (8) north and west to encompass the later states. The language of the charters was (9) and their validity questionable, but during the war Virginia reinforced its title by sponsoring Colonel Georgia Rogers Clark’s 1778 (10) to Vicennes and Kaskaskia, which (11) America’s trans-Appalachian pretensions at the peace table.The six states holding no claim to the transmontane region (12) whether a confederacy in which territory was so unevenly apportioned would truly prove what it claimed to be, a union of equals. Already New Jersey, Delaware, Rhode Isaland, and Maryland were (13) the smallest and least populous of the states. (14) they levied heavy taxes to repay state war debts, their larger neighbors might retire debts out of land-sale proceeds. (15) by fresh lands and low taxes, people would desert the small states (16) the large, leaving the former to fall (17) bankruptcy and eventually into political subjugation. All the states shared in the war effort, how then could half of them "be left no sink under an (18) debt, whilst others are enabled, in a short period, to (19) all their expenditures from the hard earnings of the whole confederacy" As the Revolution was a common endeavor, (20) ought its fruits, including the western lands be a common property. Read the following text. Choose the best word (s) for each numbered blank and mark A, B, C or D on ANSWER SHEET 1.2（）
Without the sun. them would be no weather. Light from the sun not only causes sunny days. but it also causes weather to be different in different parts of the world. The sun causes all other kinds of weatber. inckiding wind. rain. and even snow. Weather has much to do wire the sun.
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