考研考试

【单选题】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 if 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 in operation you (6) hear several rings and then a recorded message (7) usually says something (8) this: "Hello. We can’t come to the (9) 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," (10) is a brief, high-pitched (11) .Alter the beep, you can say who you are, whom you want to speak to, and what number the person should call to (12) you, or you can leave a (13) . Some telephone answering machines (14) for only 20 or 30 seconds after the beep, so you must respond quickly. Some large businesses and government agencies are using telephone answering machines to provide information on (15) about which they receive a large volume of (16) . Using these systems (17) you to have a touch-tone phone (a phone with buttons rather than a rotary dial). The voice on the machine will tell your to push a certain button on your telephone if you want in-formation on TopicA, another button for TopicB, and so on. You listen (18) you hear the topic you want to learn about, and then you push the (19) button.After making your (20) , you will hear a recorded message on the topiC、
A、thatB、whoC、one D、which
网考网参考答案：D
网考网解析：
此空白处做的是前面beep的定语从句的引导词，由于有逗号分隔，为非限制性定语从句，因此选择which，选项that不引导非限制性定语从句，who和one不符合语义。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>