问题 填空题

某国中共有戴老师、刘老师与杨老师等三位数学老师.戴老师的班有11位学生、刘老师的班有9位学生、杨老师的班有8位学生参加了今年的AMC 8竞试.试问这个国中共有几位学生参加了今年的AMC 8竞试 ______?

 (A)26 (B)27 (C)28 (D)29 (E)30.

答案

国中参加今年的AMC 8竞试学生的人数为:

戴老师班的学生+刘老师班的学生+杨老师班的学生=11+9+8=20+8=28位.

故选C.

多项选择题
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.

13()

A.place

B.phone

C.home

D.room