题型：填空题 按要求填写化学符号或名称：氦气______； 2个氢分子______； 2个镁离子______；硫离子______； 氯离子______； 氯酸钾______；碳酸钠______； 硫酸______；硝酸铵中氮的化合价______；K2MnO4______； Ba（NO3）2______； Fe（OH）2______． 查看答案
题型：填空题 电泳涂装法是一种新的涂漆方法，适用于水性涂料，此方法的优点是（）。A．工效高，效率比一般喷涂法高10余倍，漆膜的附着力也较强B．漆雾的弹回力小，大大降低了漆雾的飞散损失，提高漆的利用率C．设备简单、生产效率高、操作简易D．涂料的利用率高、施工工效高，涂层质量好，任何复杂的工件均能涂得均匀的涂膜 查看答案
题型：填空题 清代学者陶煦说：“金宝庐舍，转瞬灰烬，惟有田者，岿然而独无恙。故上至绅富，下至委巷工贾胥吏之俦，赢十百金，即莫不志在良田。”材料表明A．农本思想受到冲击B．“以末致富，以本守之”成为社会风气C．自然经济开始解体D．农业发展为工商业提供了资金保证 查看答案
题型：填空题 阅读理解 Directions: Read the following passage. Complete the diagram by using the information for the passage. Write NO MORE THAN THREE WORDS for each answer. Wen Jiabao arrived in Singapore yesterday for an official visit to the country. It is the first visit by a Chinese premier to Singapore in eight years. In the arrival statement, When said he is looking forward tothe meeting with Singing pore on ways to deepen East Asian cooperation between two nations so as to contribute to the building of a peaceful, harmonious relationship." Premier Wen Jiabao and Singapore Prime Minister Lee Hsien Loong agreed to jointly develop an environmentally friendly city in northeastern China. The "Sino-Singapore Tianjin Eco-city" will be developed by a joint venture formed by Chinese and Singapore companies. "This eco-city, to be built in Tianjin, will become another highlight in our relations," When said after signing an agreement with Lee, who agreed, "On the Singapore side, on all levels, we'll give this project our full support." The two sides will share skills and experiences in sustainable development, such as urban planning, environmental protection, resources conservation, recycling, use of renewable resources and wastewaterre-use. China's economic planning agency issued a set of guidelines earlier this month welcoming foreign investment in environmentally friendly areas. Mutual relations between China and Singapore have seen big progress even though the two countriesestablished diplomatic ties only 17 years ago, when said during his talks with Lee.China and Singapore have also kept close contact and coordination on regional issues, he added. Whensaid China and Singapore are both important Asian countries that share common interests in many areas. Title: Wen's visit to SingaporeMain pointsContexts General (1)________ of Wen's visitlTo (4)________ with Singapore To (5)________ mutual relationship Agreements (2)________ in the visitl To build another (6)________city in Tianjin To share(7)________ in city planning, environment protection,recycling and so on for (8)________ developmentThe (3)________ of the relations between two nations(9)________-year diplomatic relations l co-operation in (10)________ affairs for a peaceful Asia 查看答案
题型：填空题 患者，女，70岁，阵发性房颤5年，应用胺碘酮长期口服控制良好。下列各种情况中，需用抗心律失常药物治疗的是A．有症状的室性心动过速B．房颤心室率78/minC．预激伴发快速房颤D．无意中发现的频发室性期前收缩E．一度房室传导阻滞 查看答案