The United States {{U}} (56)
{{/U}} a large part of the North American continent. Its neighbors are
Canada {{U}} (57) {{/U}} the north, {{U}} (58) {{/U}} Mexico to
the south. {{U}} (59) {{/U}} the United States is a big country, it’s
not the largest in the world.In 1964 its {{U}} (60) {{/U}} was over
185,000,000. When this land first became a nation, after {{U}} (61) {{/U}} independence from England, it had thirteen states, {{U}} (62) {{/U}} of the states was represented on the American flag by a {{U}} (63) {{/U}} . All the states were in the eastern part of the continent. As the nation grew towards the west, new states were in the eastern part of the continent. As the nation grew towards the west, new states were added and new stars {{U}} (64) {{/U}} on the flag. For a long time, there were 48 states. In 1959, however, two {{U}} A. this B. that C. it D. such [名词解释]简单枚举归纳推理
[填空题]有两个纯种小麦,一个是高秆抗锈病(DDTT),另一个是矮秆易染锈病(ddtt),现有三组实验:第一组是:DDTT×ddtt→F1(自交)→F2→选取矮秆抗锈病品种连续自交、筛选
第二组是:DDTT×ddtt→F1,并将F1的花药进行离体培养,然后染色体加倍
第三组是:DDTT进行X射线、紫外线综合处理。
实验结果发现:三组实验中都出现了矮秆抗锈病品种。试问:第一组F2中能稳定遗传的矮秆抗锈病占()。
[单选题]【单选】NB-IoT系统中,RRC CONNECTION SETUP消息使用哪个逻辑信道传输?( )[1分]
A.DL-CCCH B.DL-DCCH C.UL-DCCH D.UL-CCCH [多选题] 根据风险严重程度,对本行对信贷类黑名单、灰名单客户实施不同的信贷限制,其中对黑名单客户采取( )的管控措施。
A.禁止 B.限制 C.提示 [多选题]站台门由()组成。
A.滑动门 B.应急门 C.固定门 D.端门 [单选题]场有压力容器时,应在熟悉现场环境且有()相关资质的人员陪同下进入现场。
A.低压电力 B.中压电力 C.电力电工 D.特种设备运维检修 [单项选择] Richard Wagner
Richard Wagner (1813 ~ 1883) is regarded by many 【51】 "The Revolutionist of Opera, "who demolished all old forms, and who reconstructed the music drama 【52】 principles entirely his own. In the strictest 【53】 , this belief is not justified, for Wagner simply returned to the oldest version of the music drama. He found that the ideal construction of the opera in Florence had been to produce work in which the music, drama and interpretation should be 【54】 equal importance. Wagner studied the changes and abuses which Gluck had 【55】 correct, and found that the opera 【56】 of the nineteenth century had 【57】 back into many of the old customs, with the result, that there was no longer a complete 【58】 of the three fundamentals of opera.
Wagner tells us in his autobiography that his early life was influenced by the dramas of Shakespear, the symphonies of Beethoven, and the operas of Von Weber. His first operas were constructed on the lines of
A. in B. into C. to D. with [判断题]直流双臂电桥工作电流较大,故测量时要迅速以免损坏电桥。
A.正确 B.错误 [判断题]单元机组的除氧器应有可靠的启动和备用汽源 [1分]
A.正确 B.错误 [多选题]业务通道投退时,应及时更新业务()。
A.A-标识 B.B-标签 C.C-相关资料 D.D-运行数据 [判断题]根据《线路安规》一张工作票中,工作票签发人和工作许可人不得兼任工作负责人。
A.正确 B.错误 [单选题]证券投资基金的参与主体包括( )。
A.基金当事人 B.基金市场服务机构 C.基金监管机构和自律组织 D.以上都是 [单选题]药剂中TTS或TDDS的优点不包括
A.避免肝首过效应 B.延长有效作用时间 C.减少了胃肠给药副作用 D.适宜于剂量大药物 E.患者可以自主用药 [单项选择]
基于潮流和波浪而产生的周期性流动以外的、比较固定的水流叫洋流。海水会经历几十年甚至数百年的时间在全世界的海域中循环,洋流指的是这种地球规模的海水循环的一部分。在洋流中,有像陆地上的河流一样幅度较窄而流速快的,也有幅度无限宽广而流速缓慢的,其大小、强度不能一概而论。以代表性的洋流之一——黑潮为例,在强流带时可达到2.5米/秒的速度,水流的路径、速度随季节和年代的不同都会发生很大变化。一般意义上的洋流,是在大海的表层流动(表层流),而深层的水流则较弱,速度在每秒几厘米以下,水流的结构也很复杂。 A. 洋流可分为表层流和深层流两种 B. 表层流流速较快,而深层流则由于结构复杂而流速缓慢 C. 表层流的发生及其流动方向离不开各种力的作用 D. 科里奥利力是由地球自转而产生的,它影响洋流运动的方向 [单项选择]在被挂车辆距前方警冲标不足30m时,必须()才能连挂。
A. 采取防溜 B. 设专人防护 C. 与有关人员联系,开通前方进路 D. 严格控制速度 [判断题]化学事故发生后,对一些现场难以急救的重伤员,救护组一边采取应急救护措施,一边组织转送到指定医院。( )
A.正确 B.错误 [单项选择]连锁店外墙每年至少清洗()次,二年重新粉刷一次。
A. 0 B. 1 C. 2 [单选题]()不属于铁路责任。
A.列车满员 B.列车晚点 C.列车燃轴 D.线路塌方 [单选题]第二次世界大战后,新发展起来的国际垄断组织是( )。
A.跨国公司 B.国际卡特尔 C.国际辛迪加 D.国际托拉斯 [单项选择] 阅读下面这篇短文,短文后有2项测试任务:(1)1~4题要求从所给的6个选项中为第2~5段每段选择1个正确的小标题;(2)第5~8题要求从所给的6个选项中选择4个正确的选项,分别完成每个句子。请将答案填在相应横线上。
|