题型：问答题 简答题 下列关于实验现象的描述中不正确的是 [ ]A．氢气在氯气中安静燃烧，发出苍白色火焰 B．钠在空气中燃烧，产生黄色火焰，并生成淡黄色的固体 C．铜丝在氯气中燃烧，产生棕黄色的烟 D．钠在氯气中燃烧，产生黄色的烟 查看答案
题型：问答题 简答题 完形填空。 Scottsdale was a typical American suburb in the 1950s, with children going to each other's houses to play, or riding their bikes around the neighbourhood. But for Steven Spielberg none of these "normal' activities werevery exciting. Instead he made his own entertainment, like the time he 1 his younger sisters that he had adead body in his bedroom and almost frightened them to death. When Steven was about seven years old, he developed a 2 for television, despite the 3 his parents made to control the children's viewing. His father 4 placed hair on the television "ON" switch to know when Stevenwatched TV. But Steven would 5 its position and replace it after watching hours of television. A chance finally came for Steven to 6 his ability to entertain with his enthusiasm for television. When hisfather received a movie camera for Father's Day, the movies he took, according to Steven, were 7 . Annoyed by his son's 8 criticism (批评), he gave the camera to Steven. Steven proved to be a (an) 9 with the camera and quickly made several films using his own toys as theperformers. His parents were 10 by how life-like they were and so he began a magnificent movie career. ( )1.A. convinced( )2.A. gift ( )3.A. decisions ( )4.A. quietly ( )5.A. locate ( )6.A. combine ( )7.A. special ( )8.A. occasional( )9.A. winner ( )10.A. satisfied B. reminded B. need B. suggestions B. secretly B. relate B. compare B. terrible B. humorous B. expert B. amazed C. promised C. concern C. attempts C. hopefully C. memorize C. connect C. entertaining C. unreasonable C. natural C. puzzled D. encouraged D. love D. preparations D. successfully D. examine D. accompany D. surprising D. constant D. native D. inspired 查看答案
题型：问答题 简答题 根据深圳证券交易所《资金申购上网定价公开发行股票实施办法》和上海证券交易所《沪市股票上网发行资金申购实施办法》的规定，已开立资金账户但没有足够资金的投资者，必须在申购日的前一日，根据自己的申购量存入足额的申购资金。（） 查看答案