肾盂肾炎最常见的致病菌是（） A.大肠埃希菌 B.变形杆菌 C.产气杆菌 D.金葡萄

萝岗橙是萝岗区的品牌水果，但前几年红蜘蛛危害萝岗橙，导致长势不良，果皮变黑，产量、品质都下降了．果农不断加强喷洒农药，可是见效不大．后来果树专家指出，萝岗橙树下要尽量保留白花草，少喷农药．理由是红蜘蛛的天敌是栖息在白花草上的捕食螨，果农们少喷了农药，保留了橙树下的白花草，就为捕食螨创造了良好的栖息环境．捕食螨的生态环境好了，就能有效控制红蜘蛛的数量，使萝岗橙免受红蜘蛛的危害．果园中的白花草不但可以养育捕食螨，而且可以调节果园的气候，减少水分蒸发，提高湿度（红蜘蛛喜干燥，厌潮湿），创造不利于红蜘蛛生存和有利于柑桔生长的小气候环境．

请你根据以上信息，回答下列问题：

（1）以上事例说明了自然界中的动物和植物在长期生存和发展的过程中，形成了______、______的关系．

（2）请你画出文中提到的一条食物链：______．

（3）果农通过少喷农药，保留白花草的办法防治萝岗橙的红蜘蛛病害，这种方式称为______．

（4）在橙园中种植白花草有利于维持橙园的生态平衡．生态平衡是指在生态系统中，各种生物的______和所占的______总是维持在______的状态．

山东济南千佛寺弥勒佛旁的对联是：笑到何日方合口，坐来无日不开怀。这副对联对我们的启示是[ ]

A．要求我们要有高尚的爱国情操

B．人要有宽阔的胸襟，为人要豁达大度

C．要有艰苦奋斗的优良传统

D．人要有积极向上的进取心

在巡检过程中发现炉子烟囱冒黑烟，则以下哪种情况不是此现象的原因（）。

A、瓦斯带油

B、炉管烧穿

C、烧油时，雾化蒸汽量小

D、仪表改手动控制

阅读理解。

     Goods must be of proper quality, must be as described on the package and must be fit for any particular

purpose made known by the seller.Those three rules used for the goods you buy can also be used for the

goods you get on hire, or for the goods you get as part of a service.

     There are also rules which deal with the standard of services you get-from, say, travel agents, shoe

repairers, hairdressers and builders. These tell you what you should expect from any service you pay for.

     A person providing a service must do so:

     With reasonable care and skill.You should expect a proper standard of workmanship (工艺). A new

house should have straight walls and the roof must not leak.

     Within a reasonable time. A shop should not take three months to repair your TV. You can always agree

upon a completion time with the supplier of the service.

     You, the customer, must pay:

     A reasonable charge for a service, where no price has been fixed in advance. A trader can not expect a

large payment for a small job.

1.The underlined word "these" in Paragraph 2 refers to "_____ ".

A. the services

B. the workers

C. the goods

D. the rules

2. What should the supplier do when offering a service?

A. He should determine the completion time himself.

B. He should provide free repairs within three months.

C. He should make sure the service meets proper standards.

D. He should reach an agreement on the payment with his workers.

3. The passage is trying to _____.

A. ask the customer to buy goods and services of high quality

B. advise the buyer how to pay a reasonable price for a service

C. tell the customer what rights he has once he pays for something

D. warn the seller what he sells must meet the buyer's requirements

阴偏衰引起的证候是（）

A.虚寒证

B.虚热证

C.实寒证

D.实热证

E.寒热错杂