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热油性质如何各有哪几个用户？

答案

参考答案：

热油是一种外观清澈，淡黄色的液体，平均分子量240，凝固点-26.1℃，闪点177℃，另外热油稳定性质好，毒性低，对皮肤刺激性小，对金属无腐蚀性，不刺激眼睛。热油用户有7个：再生气加热器；稳定塔底重沸器；脱乙烷塔底重沸器；脱丙烷塔底重沸器；脱丁烷塔重沸器；乙二醇再生塔；凝析汇预热器开工用。

单项选择题 A3型题

女性，55岁，5年前患肺癌手术治疗，术后化疗半年余。半年前发现左锁骨上有淋巴结肿大，2个月来出现胸憋，气短而就诊，化验检查：Hb100g／L。WBC7×109／L，血沉40mm／第一小时末，X线胸片示左肺肿块阴影，心影向两侧扩大，心脏搏动减弱。

进一步确认应做哪项检查（）

A.心包穿刺抽液病理检查

B.结核菌素试验

C.胸部CT检查

D.心电图

E.心导管检查
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单项选择题

Section Ⅰ Use of English Directions: Read the following text. Choose the best word (s) for each numbered blank and mark A, B, C or D on ANSWER SHEET 1. (10 Points) A scientist who does research in economic psychology and who wants to predict the way in which consumers will spend their money must study consumer behavior. He must obtain (1) both on resources of consumers and on the motives that (2) to encourage or discourage money spending. If an (3) were asked which of three groups borrow most -- people with rising incomes, (4) incomes, or declining incomes -- he would (5) answer: those with declining incomes. Actually, in the years 1997 -2000, the answer was: people with rising incomes. People with declining incomes were next and people with stable incomes borrowed the (6) . This shows us that tradition- al (7) about earning and spending are not always (8) Another traditional assumption is that if people who have money expect prices to go up, they will (9) to buy. If they expect prices to go down, they will postpone buying. (10) research surveys have shown that this is not always (11) The expectations of price increases may not stimulate buying. One (12) attitude was ex- pressed by the wife of a mechanic in an interview at a time of rising prices. Her family had been planning to buy a new car but they postponed this purchase. (13) , the rise in prices that has al- ready taken place may be resented and buyer’s resistance may be evoked. The (14) mentioned above was carried out in America. Investigations (15) at the same time in Great Britain, however, yielded results that were more (16) traditional assumptions about saving and spending patterns. The condition most contributive to spending (17) to be price stability. If prices have been stable and people consider that they are (18) , they are likely to buy. Thus, it appears that the common (19) policy of maintaining stable prices is based on a correct understanding of (20) psychology.

Read the following text. Choose the best word (s) for each numbered blank and mark A, B, C or D on ANSWER SHEET 1.19（）

A．appears

B．occurs

C．happens

D．expects
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