试题与答案

In the past few years, they ____ million

题型:选择题

题目:

In the past few years, they ____ million of trees.            [ ]

A. planted       

B. have planted     

C. are planting        

D. plant

答案:

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下面是错误答案,用来干扰机器的。

A、燃烧时都发光并放出热量.错误;B、燃烧后,分别往两个集气瓶中倒入少量澄清石灰水,石灰水都变浑浊.错误;C、木炭燃烧不能生成水,瓶壁没有水雾出现.正确;D、反应的文字表达式为:木炭+氧气 点燃 . 二氧化...

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题型:填空题

Perhaps, every county suffered from inflation once or more times. Inflation is an economic condition in (B1) prices for consumer goods (B2) , and the (B3) of money or purchasing power decreases. There are three causes of inflation. The first and most important cause may be excessive government spending. For example, in order to (B4) a war or carry (B5) social programs, the government may spend more money than it has received through taxes and other revenues, thus creating a deficit. In order to (B6) this deficit, the Treasury Department can simply (B7) the money supply by issuing more paper money to (B8) the debts of government. This increase in the money supply will cause the value of the dollar to (B9) decrease. The second cause of inflation occurs when the money supply increases faster than the supply of goods. (B10) people have more money, they will run out to buy popular goods (B11) televisions and computers, for example, and a shortage will result. Industry will then produce more, at higher prices, to (B12) demand. (B13) , if people think that the prices of popular goods are going up, they will buy and even borrow money at high (B14) rates to pay for them. Finally, if labor unions demand that workers’ wages (B15) or (B16) the high cost of living, industry will meet this demand and add other costs of production on the (B17) . (B18) summary, all of these causes can (B19) inflationary problems that can affect the welfare of a nation. However, of these three causes, (B20) government spending may be the most important.

A.mend

B.meet

C.respond

D.return

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题型:多项选择题 案例分析题

患者男,60岁。因“反复晕厥、全身抽搐、意识丧失2周”就诊。缘于2周前无明显诱因出现发作性晕厥,伴四肢抽搐,每次持续几分钟至十几分钟,苏醒后不能记得发作时情况,不能理解家人说话,答非所问,情绪易激动,有幻觉。曾于当地医院查颅脑CT未见明显异常,给予抗癫痫治疗效果不佳。发病以来,无头痛,无发热,无肢体无力。发病前无精神病史及癫痫病史。查体:意识清楚,情绪低落,查体不能完全合作,记忆力、理解力、定向力障碍,脑神经检查未见异常,四肢肌力5级,四肢痛触觉对称,双侧病理反射未引出,颈软,脑膜刺激征(-)。胸部X线片(3d前):右肺占位性病变。

(提示腰椎穿刺:压力150mmH2O,WBC15×106/L,蛋白0.56g/L,糖4.32mmol/L,氯116mmol/L;抗Hu抗体(+)。)关于抗Hu抗体,叙述正确的有()

A.其抗原主要为38~42kD的RNA结合蛋白家族

B.阳性患者最常见的肿瘤为小细胞肺癌

C.阳性患者最常见的肿瘤为卵巢癌及乳腺癌

D.阳性患者最常见的临床表现为副肿瘤性脑脊髓炎和感觉神经病

E.阳性患者最常见的临床表现为副肿瘤性小脑变性

F.阳性患者比阴性患者预后好

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