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{{B}} Where Have All Our Visitors Gone {{/B}} Sixty years ago, a man named Kenneth Arnold saw something that people are still {{U}} (51) {{/U}} today -something that changed popular culture for ever. Flying his plane over mountains in the US state of Washington, he saw a line of strange objects, either crescent -shaped or disc-like, flying {{U}} (52) {{/U}} the motion of a saucer skimming on water. The media soon picked up on the story -the Flying Saucers were here! Was the earth being {{U}} (53) {{/U}} by creatures from another planet Soon, so many sightings were made that the US military began to {{U}} (54) {{/U}}. It called these strange objects UFOs -Unidentified Flying Objects, and that is how they are {{U}} (55) {{/U}} today. Military investi A. looking B. seeing C. seeking D. feeling 查看答案 更多"阅读下面的短文，文中有15处空白，每处空白给出了4个选项，请根据短文的"的相关试题: [单项选择] 阅读下面的短文，文中有15处空白，每处空白给出了4个选项，请根据短文的内容从4个选项中选择1个最佳答案。 Highways in the US The United States is well-known for its network of major highways designed to help a driver get from one place to another in the shortest possible time.{{U}} (51) {{/U}}these wide modern roads are generally smooth and well maintained, with{{U}} (52) {{/U}}sharp curves and many straight sections, a direct route is not always the most{{U}} (53) {{/U}}one. Large highways often pass{{U}} (54) {{/U}} scenic areas and interesting small towns. Furthermore, these highways generally{{U}} (55) {{/U}}large urban centers which means that they become crowded with{{U}} (56) {{/U}}traffic during rush hours, when the "fast, direct" way becomes a very slow route. However, there is{{U}} (57) {{/U}}always an-other route to take if A. lead B. connect C. collect D. communicate 查看答案 [单项选择] 阅读下面的短文，文中有15处空白，每处空白给出4个选项。请根据短文的内容，从4个选项中选择1个最佳答案。 {{B}}Canal{{/B}} Today, most countries in the world have canals. Even in the twentieth century, goods can be moved more cheaply by boat {{U}} (51) {{/U}} by any other means of trans- port. Some canals, such as the Suez or the Panama, {{U}} (52) {{/U}} ships weeks of time by making their voyage a thousand miles shorter. Other canals permit boats to reach cities that are not located on the coast. Still other canals {{U}} (53) {{/U}} lands where there is too much water, help or irrigate fields where there is not enough water, and furnish water power for factories and mills. The {{U}} (54) {{/U}} of a canal depends on the kind of boats going through it. The canal must be wide enough to permit two of the {{U}} (55) {{/U}} boats using it to {{U}} (56) {{/U}} each other easily. It must be deep enough to leave about two feet of water {{U}} (57) {{/U}} the keel of A. to B. beneath C. above D. on 查看答案 我来回答: 提交 最新试题 ●    阅读下面的短文，文中有15处空白，每处空白给出了4个选项，请根据短文的内容从4个选项中选择1个最佳答 ●    [单选题]如旅客年龄不满_____岁，则该旅客不宜在出口座位就坐 ●    关于正畸矫治过程中的组织反应，下列哪项不对 （） ●    [单选题]在地形、地物影响视线的地方，进站、通过、接近、预告、遮断信号机的显示距离，在最坏的条件下， ●    [多选题]在使用带电清扫机械进行清扫前，应确认（　　）。 ●    [单选题]根据《生产安全事故报告和调查处理条例》，较大事故逐级上报至（ ）安全生产监督管理 网站地图 我要搜题网  版权所有  ©2023  湘ICP备18016427号   购买搜题卡查看答案 [会员特权] 开通VIP， 查看 全部题目答案 [会员特权] 享免全部广告特权 推荐91天 ¥36.8 ￥80元 31天 ¥20.8 ￥40元 365天 ¥88.8 ￥188元 请选择支付方式 微信支付 支付宝支付 点击支付即表示同意并接受了《购买须知》 立即支付 系统将自动为您注册账号 已有账号登录 找回账号密码 请使用微信扫码支付 订单号： 请不要关闭本页面，支付完成后请点击【支付完成】按钮 支付完成 取消支付 恭喜您，购买搜题卡成功 系统为您生成的账号密码如下： 账号 密码 重要提示：请拍照或截图保存账号密码！ 我要搜题网官网：https://www.woyaosouti.com 我已记住账号密码