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问题 单项选择题

1，3，3，9，( )，243。

A．81

B．9

C．12

D．27

答案

参考答案：D

解析： 该数列为积数列。该数列的前两项之积为第三项，即1×3=3，3×3=9，3×9=27，9×27=243，故空缺项为27。

单项选择题

More and more residences, businesses, and even government agencies are using telephone answering machines to take messages or give information or instructions. Sometimes these machines give (1) instructions, or play messages that are difficult to understand. If you (2) telephone calls, you need to be ready to respond when you get a (3)

The most common machine is the (4) used in residence. If you call a home (5) there is a telephone answering machine (6) you will hear several rings and then a recorded message that (7) says something like this: "Hello. We can’t come to the (8) right now. If you want us to call you back, please leave your name and number after the beep." Then you will hear a "beep", (9) is a brief, high-pitched (10) . After the beep, you can say who you are, whom you want to speak to, and what number the person should call to (11) you, or you can leave a (12) . Some telephone answering machines record for only 20 or 30 seconds after the beep, (13) you must respond quickly.

Some large businesses and government agencies are using telephone answering machines to provide information on (14) about which they receive a large volume of (15) . Generally speaking, using these systems (16) you to have a touch-tone phone ( a phone with buttons rather than a rotary dial). The voice on the machine will tell you to (17) a certain button on your telephone if you want information on Topic A, another button for Topic B, and so on. You listen (18) you hear the topic you want to learn about, and then you push the (19) button. Immediately after making your (20) , you will hear a recorded message on the topic.

8（）

A．tone

B．noise

C．voice

D．tune
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多项选择题

建筑高度检查时，需要注意的事项有（）。

A.建筑屋面为平屋面（包括有女儿墙的平屋面）时，建筑高度为建筑室外设计地面至屋面面层的高度

B.建筑屋面为坡屋面时，建筑高度为建筑室外设计地面至檐口与屋脊的平均高度

C.对于台阶式地坪，当位于不同高程地坪上的同一建筑之间有防火墙分隔，各自有符合规范规定的安全出口，且可沿建筑的两个长边设置贯通式或尽头式消防车道时，可分别确定各自的建筑高度

D.对于住宅建筑，设置在底部且室内高度不大于2.2m的自行车库、储藏室、敞开空间，室内外高差或建筑的地下或半地下室的顶板面高出室外设计地面的高度不大于1.5m的部分，不计入建筑高度

E.局部突出屋顶的嘹望塔、冷却塔、水箱间和排烟机房以及楼梯出口小间等辅助用房占屋面面积不大于1／3时，不需计人建筑高度
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