1960年，“的里雅斯特”号探险马里亚纳海沟时的下潜深度是（）。
A、11034米
B、10916米
C、8000米
D、10000米
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目前，规模最大、用户最多的互联网络是______，它是集各类信息资源为一体的数据资源网。
下列食物原料中富含蛋白质的物质是（ ）
A．蔬菜汁
B．精面粉
C．植物油
D．鲜鸡蛋
| 完形填空。 | ||||
| "My name's Jim Shelly and I am an addict…" With these words I began to face the problem, the problem of my 1 addiction. I used to call people 2 , from the moment I woke up to the time I went to sleep. I 3 to be phoned, I wanted to phone. Just one more call. It started socially-a few calls each day. It seemed fine, just a quick chat. Gradually though, the 4 got worse. Soon it was 5 use, 6 finally addiction. And it began to affect my 7 . During the day I would disappear for a quick call. If I couldn't make a call, I spent the whole time in the office 8 for the phone to ring. Getting more and more 9 , in the end, I would ring someone, then some else, 10 myself just one more call. I was phoning people and 11 messages to make sure enough calls would see me through the day. I used to arrive at friends' homes and before the door was 12 , go straight for the phone with the 13 , "Is it OK if I just use the phone…?" At work, I became 14 when my fellow workers tried to 15 me from using the phone. And one day I hit my boss (with the phone). Finally, the police caught me 16 a phone box that had taken my last one pound coin, and I was 17 to see a psychiatrist (心理医生). I haven't 18 a phone in the house for three weeks now, and it's several days 19 I used a phone box. I try not to watch TV because there are 20 people on it making phone calls. My name is Jim Shelley and I am an addict. | ||||
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不可兑换的公司债券（Perpetuity）
根管充填的时机
A．髓腔已完全清理、扩大和成形
B．无自发痛、叩诊无反应
C．窦道口封闭、根尖区牙龈无红肿，无压痛
D．无腐败臭味、根管内无脓和血
E．以上全对