场景由一个命名视图和一个或多个光源组成，如果指定了场景，RENDER将使用场景中的视

先阅读短文，在横线上写出各单词的正确形式，单词的第一个字母已给出。

One day Harvey's wife was cleaning out a cupboard.        "Look at all these umbrellas," Harvey's wife said to him. "There are eight and they all b    1     ."        "I'll take them all to the umbrella shop and have them repaired," Harvey said. "They are too good to t    2     away."         Harvey took the eight umbrellas to the shop and l     3      them there. The shopkeeper said, "They'll be r    4     tomorrow."        That evening Harvey went home from the office by bus as he u    5     did. He sat next to an old woman. She had an umbrella on the floor between the s    6     . When the bus reached his stop, he picked up her umbrella and stood up.        "Hey!" the woman said, "That umbrella b    7     to me."        "I'm so sorry." Harvey said, giving it to her. "Please excuse me for taking your umbrella by m    8    ."        The next day he collected the umbrellas from the umbrella shop and got on the bus. As he sat down, a v    9     behind said, "You have certainly had a s   10     day!" He turned around and saw the woman whose umbrella he had almost taken the day before.

1.                2.                3.                4.                 5.                
6.                7.                8.                9.                 10.             

前白蛋白是（）

A.一种比白蛋白半衰期长的蛋白质，主要起载体作用

B.白蛋白的载体

C.比白蛋白更能早期反映肝细胞损害

D.白蛋白的前体

E.电泳位于白蛋白前面且含量较多的一种蛋白质

可用于铅中毒解救的有( )

A．二巯基丁二钠

B．依地酸钙钠

C．亚甲蓝

D．亚硝酸钠

E．青霉胺

Craig Loomis, a credit analyst with Shawnee Financial Group, has been asked to assess the operational efficiency of Leuexa Company. Loomis calculates the following ratios from data gathered from Lenexa’ s annual report: Total debt$14500000 Revenues $ 35200000 Earnings before interest and taxes$ 6125000 Depreciation and amortization $ 1675000 Interest expense $ 2200000 According to the financial footnotes, Lenexa is a lessee in an operating lease arrangement for manufacturing equipment. The discounted present value of the lease payments is $ 6000000 using an interest rate of 10 percent. The annual payment is $1000000. Only considering the above data, determine which ratio best measures operational efficiency and calculate the adjusted measure for the appropriate analytical treatment of the lease.Operational efficiency Adjusted measure（）①A. EBITDA margin 25.0% ②B. EBITDA margin 17.4% ③C. EBITDA/Interest expense 4.0 times

A. ①

B. ②

C. ③>

闭经时，孕激素试验阳性不能说明（）.

A.没有排卵障碍

B.下丘脑--垂体--卵巢轴正常

C.体内有一定雌激素水平

D.生殖道通畅

E.子宫内膜有功能