We experience different forms of the Sun’s energy every day. We can see its light and feel its warmth. The Sun is the major source of evaporation of water from the oceans and lakes. Sunlight also provides the energy used by green plants to make their own food. These green plants then provide food for all organisms on the Earth.
Much of the energy that comes from the Sun never reaches the Earth’s surface. It is either reflected or absorbed by the gases in the upper atmosphere. Of the energy that reaches the lower atmosphere, 30% is reflected by clouds or the Earth’s surface. The remaining 70% warms the surface of the planet, causes water to evaporate, and provides energy for the water cycle and weather. Only a tiny part, approximately 0.023%, is actually used by green plants to produce food.
Many gases found in the atmosphere actually reflect heat energy escaping from the Earth’s surface back to the Earth. These gases act like the glass of a
A. The moon.
B. The sun.
C. The star.
D. The earth.
| 26-meter-tall Yao Ming made his NBA debut (初资登台) on
October 23, 2002 and got 6 points (得分) for the Houston Rockets in the game.
The next day, he got 13 points in another game. Most people think that Yao Ming is a born basketball player. But Yao said, "When you watch it*on TV, it looks very easy. But when you are playing in the NBA, it is really not so easy. ’ He said that joining the Houston Rockets was a new start and a new challenge. "I hope that through very hard work, I can make everyone happy and help the Rockets win more games," he said. Yao Ming speaks some English. Both he and his teammates can understand each other. They don’t think there is a language problem. While Yao Ming faces this new challenge, the people of Houston have shown great interest in him and they hope Yao Ming faces this new challenge, the people o A. speak excellent English B. bring new energy C. make NBA games easy D. face new challenge [单项选择]( )是应急救援工作的核心内容之一，其目的是为尽快地控制事故的发展，防止事故的蔓延和进一步扩大，从而最终控制住事故，并积极营救事故现场的受害人员。
A. 人群疏散 B. 伤员治疗 C. 警戒与治安 D. 消防和抢险 [多选题]网络的拓扑结构主要有()。
A.总线型 B.星型 C.环型 D.树形 [判断题]我行柜员级别限额按照金额进行划分,级别越高可操作交易的额度越高,联社应根据当地经济发展水平以及风险管理要求,结合柜员岗位、员工实际情况等因素,为柜员设置合理的级别。(1分)
A.正确 B.错误 [单选题]七情配伍中，具有协同作用能提高药效的配伍方法是
A.相须、相使 B.相须、相畏 C.相须、相杀 D.相使、相畏 E.相使、相杀 [单项选择]男女青年李某与赵某去当地民政局申请结婚登记，民政局登记人员王某曾与李某发生过冲突，因而私下向李某索要500元人民币，否则便不给办登记手续，李某无奈，只得送给王某200元，但因未能达到王某的要求，王感到很不满意。因此，民政局王某一直没有给李某和赵某办登记手续，也不说明原因。李某与赵某向复议机关申请行政复议。下列说法正确的是：
A. 复议机关可以依法直接给李某与赵某二人办理结婚登记手续 B. 复议机关不予受理，因为不予办理登记是王某的违法行为，而不属于非职务行为，与民政局无关 C. 复议机关可以作出决定，让该民政局为李某与赵某二人办理结婚登记手续 D. 因办理婚姻登记必须由当事人亲自申请、办理，所以李某与赵某不得委托代理人申请复议 [单选题]天气恶劣难以辨认信号时，禁止办理或使用（ ）（为消除线路故障或执行特殊任务除外）。
A.轻型车辆 B.轻型轨道车 C.重型轨道车 D.自轮运转特种设备 [填空题]（）是胚胎发育的主要营养物质，其代谢产物排泄于尿囊中。
[多项选择]对于皮下脂肪瘤，下列说法不正确的为（）。
A. 由分化良好的脂肪组织构成 B. 境界清楚，呈分叶状 C. 一般为多发性 D. 生长迅速，常伴其他症状 E. 表面皮肤常可出现溃疡 [判断题]经由地面架空线路引入井下变(配)电所的供电电缆,应在架空线与电缆连接处装设避雷装置。
A.正确 B.错误 [单项选择]颅内转移瘤多分布于哪个血管供血区
A. 基底动脉 B. 大脑中动脉 C. 大脑后动脉 D. 大脑前动脉 E. 颈外动脉 [单选题]公民、法人或其他组织认为具体行政行为侵犯其合法权益的，可以自知道该具体行政行为之日起（ ）内提出行政复议的申请。
A.15日 B.60日 C.90日 D.180日 [单项选择]药物的效价强度是指（）
A. 引起等效反应的相对剂量 B. 刚引起药理效应的剂量 C. 引起50%最大效应的剂量 D. 引起50%最大效应的浓度 [单选题]三级安全教育是指( )。
A.入厂教育、车间教育和岗位(班组)教育 B.低级、中级、高级教育 C.入厂教育、车间教育和个人自我教育 D.预备级、普及级、提高级教育 [判断题] 工具箱提供了Visual Basic中所有控件.
A.正确 B.错误 [单选题]下列关于密码子的说法正确的是
A.甲硫氨酸只有一个密码子 B.起始密码子是AAA C.一个密码子可以对应多个氨基酸 D.密码子在tRNA上 [单选题]我国农产品生产和消费大体上经历了（ ）、强调数量与质量的并重、在保证数量的基础上突出质量和效益等三个阶段。
A.追求质量改善 B.追求高效益 C.追求高速度 D.追求数量增长 [简答题]25Hz相敏轨道电路（旧型）送电端带扼流变压器时，限流电阻的阻值是 。
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