从所给的四个选项中，选择最合适的一个填入问号处，使之呈现一定的规律性（） A.A B

第二节：完形填空（共20小题；每小题1.分，满分20分）

Every August on the island of Heimaey, off the southern coast of Iceland, young people often take a walk along the streets throughout the night. What’s more, their parents allow them to    16   .Why? The children of Heimaey are going to  17  young puffins—small black-and-white seabirds.

The cliffs(悬崖)above the town are    18    to a large group of puffins. The birds dig holes all around the cliffs. These holes are their homes. Their    19   stay in the holes for about seven weeks. Then they begin to leave. Some move slowly on their    20    wings and feet down to the northern Atlantic Ocean that surrounds Heimaey.  21   , they swim, which they can do naturally, and learn to dive for fish.   22   , however, may lose their way at night and    23    themselves in the town instead. On the ground, the young seabirds are    24   . Because their wings are not fully developed, they cannot    25    quickly to sea and safely. The birds then become a good    26    for cats and other animals. For many years, islanders have    27    many young puffins. Early at night in late August, children    28    thick paper boxes and lights hurry to the seashore to catch puffins. They spend most of the night    29   after the birds. They put the birds they’ve caught in   30    and take good care of them. The next morning the children take the puffins to the ocean and set them    31   . The birds will live    32    until they are at least two years old. Then they will    33    to the cliffs to build homes of their own for their families.

34    the children of Heimaey always come to save puffins? “Yes,” answer the boys. “We look forward to it. The    35    time for us is setting the birds free.”

16. A. take a walk    B. stay out      C. come back      D. make friends

17. A. kill              B. watch         C. catch            D. save

18. A. home          B. close       C. dangerous      D. falling

19. A. brothers        B. friends           C. parents           D. young

20. A. undeveloped     B. strong        C. beautiful      D. ugly

21. A. However         B. There          C. Therefore    D. Again

22. A. These          B. Those          C. Others           D. Puffins

23. A. make               B. send          C. bring       D. find

24. A. at ease         B. in trouble    C. at rest        D. in safety

25. A. take off        B. give off      C. send off       D. run off

26. A. friend          B. toy          C. meal               D. game

27. A. caught         B. eaten      C. helped         D. observed

28. A. making          B. buying        C. tearing        D. carrying

29. A. running         B. walking       C. playing        D. flying

30. A. water         B. pockets      C. paper            D. boxes

31. A. off         B. free            C. out                 D. away

32. A. on land       B. at sea          C. in cliffs     D. in town

33. A. stick         B. devote            C. return    D. fall

34. A. Will          B. Man             C. Must           D. Did

35. A. first         B. last            C. next        D. best

上颌全口义齿的后缘伸至

A．翼上颌切迹
B．翼缘区
C．后堤区
D．磨牙后垫的1/3～1/2
E．软硬腭交界处稍后的软腭上

栀子的主要成分( )

A．木脂素

B．挥发油

C．环烯醚萜类

D．生物碱

E．蒽醌

患者女性，30岁，因“间断多尿、蛋白尿5个月，Scr升高1个月”入院。为测定双肾功能，拟行^99mTc-DTPA肾动态显像，关于该检查论述错误的是

A．肾小管分泌型显像剂

B．能进行肾小球滤过率的测定

C．20分钟清除率＞50％

D．用作肾动态显像剂，其图像质量比^99mTc-EC影像差

E．正常人肾实质功能相中放射性浓度达高峰时平均约为3分钟

对公司自筹资金技措、更新项目中新安装的设备如何验收和交接？