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分析仪器的分光能力越强，得到的单色光就越纯，分析的灵敏度就越高。
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A Embassy Vacation Resorts (胜地) California, Florida and Hawaii At the Embassy Vacation Resorts, our vacation ownership allows you to enjoy all the comforts of home in our one-, two- and three-bedroom vacation villas (别墅) varying in floor space from 500 to 1500 square feet with most resorts providing fully-equipped kitchens. The resorts are in prime locations with quiet settings—allowing you to enjoy the convenience of being just minutes from Walt Disney World to the tropical beaches of Maul (毛伊岛). A variety of interesting things are offered at all resorts-some of which include pools and waterfalls, restful and relaxing views—all making use of each location and convenient to local attractions.Our resorts differ from the Embassy Suites Hotels in that we do not offer breakfast or evening food. We afford all the comforts of home, and provide you the opportunity to share the benefits that Embassy Vacation Resorts can offer you and your family. B Enjoy Oxford’s Ship Restaurant Available for party booking, champagne (香槟酒) breakfast, cream teas, lunch, dinner or conferences—up to 28 passengers. Evening dinner ships Wednesday to Saturday and Sunday lunch. Cream teas any day. Please phone for full details and reservations (预约). TEL: OXFORD 55698 What is advertised in ad B The ______.
I grew up knowing that I was different, and I hated it. When I started school my classmates made it clear to me how I must look to others: a little girl with an ugly lip. And I was deaf in one ear. I was sure that no one outside my family could love me. Then I entered Mrs. Green’s second-grade class. Mrs. Green was round and pretty. Everyone loved her. But no one came to love her more than I did. And for a special reason. The time came for the annual (一年一度的)hearing test given at our school. The "whisper test" required each child to go to the classroom door, turn sideways, close one ear with a finger, while the teacher whispered something from the desk, which the child repeated. Then the same for the other ear. The teacher usually whispered things like "The sky is blue." or "Do you have new shoes". My time came. I turned my bad ear toward her, blocking the other just enough to be able to hear. I waited, and then came the words that God had surely put into her mouth, seven words that changed my life forever. She said softly, "I wish you were my little girl.\ We can infer from the passage that ______.
我国曾发行过一次面额100元的无期债券。( )
债券不是有价证券，它是社会各类经济主体为筹措资金而向债券投资者出具的、承诺按一定利率定期支付利息、并到期偿还本金的债权债务凭证。( )
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