采用铺草皮或利用天然草加固土路肩时，草皮或天然草应定期修剪，草高不宜超过（）A.10

口腔颌面部特异性感染病原菌有（）

A.铜绿假单胞菌

B.结核杆菌

C.梅毒螺旋体

D.放线菌

E.厌氧菌

单词拼写。

1. I received a notice saying that I have been _____ (推荐)to the committee.

2. His _____ (方法、办法)to the problem is to make a list of all the pros and cons.

3. The figures _____ (表明；预示)that it is getting more difficult for new graduates to find a job.

4. Most of the patients can be _____ (治愈)of the disease.

5. Don't judge a person only on the _____ (根据)of first impressions.

6. Enough medicine is _____ (可利用,可达到的)to help cure AIDS even in poor areas.

7. Although she met many difficulties, Helen was not _____ (灰心). She continued struggling with the disease.

8. Because of her teacher's _____ (影响), She chose to study English at university.

9. To his parents' _____ (失望), he missed a good chance to join the club.

10. In _____ (一般的,普通的) these cars are very reliable and breakdowns are rare.

如图是“探究平面镜成像特点”的实验：竖立的透明玻璃板下放一把直尺，直尺与玻璃板垂直，两支相同的蜡烛A．B竖立于玻璃板两侧的直尺上，以A蜡烛为成像物体．

（1）为便于观察，该实验最好在______环境中进行（选填“较明亮”或“较黑暗”）；此外采用透明玻璃板代替平面镜，虽然成像不如平面镜清晰，但却能在观察到A蜡烛像的同时，也能观察到______，巧妙地解决了确定像的位置和大小的问题．

（2）小明点燃A蜡烛，然后移动B蜡烛，发现B蜡烛与A蜡烛的像能重合，此现象说明物体所成像与物体的大小______．

（3）为证实上述有关成像特点是否可靠，你认为应采取下列______（填序号）项操作．

A．保持A．B两支蜡烛的位置不变，多次改变玻璃板的位置进行观察

B．保持玻璃板位置不变，多次改变A蜡烛的位置，进行与上述（2）相同的操作．

特发性血小板减少性紫癜常用的治疗方案包括（）

A.糖皮质激素首选

B.免疫抑制治疗

C.维生素K

D.雄激素

E.脾切除

清燥救肺汤中所用的养阴药是

A．胡麻仁、阿胶、麦冬、生地
B．白芍、阿胶、麦冬、当归
C．胡麻仁、阿胶、麦冬
D．胡麻仁、当归、生地