为什么说“调研学生、了解学生”是教师教学能力的核心？

根据上下文，选择合适的单词填空

         one        think         this          well          correct

    Maybe everyone has trouble in learning new words. It is not easy to remember and use them   

1.____. The following suggestions will help you a lot. It can be a good idea to divide (划分) the new

words into groups according to the meanings.  2. ____ about the connections (联系) between words

may help you to remember them. The more you practice, the  3.____  you will use them. You can also

write a list of some new words. Express your ideas with them and discuss the uses of   4.____  words

as much as possible. However, there is one more thing you should pay attention to. Don't try to learn

too many words at one time. Choose several important  5.____  to you. Repeat their pronunciations,

spellings as well as their meanings in your mind. Learn a little every day and you will learn a lot in a few

years. It is the skills that can make you learn new words easily. It is the skills that can help you know

more words quickly.

由8个亿，8080个万和80个一组成的数是______，读作______．用“万”作单位的近似数是______万，省略“亿”后面的尾数是______亿．

对于木僵的描述哪项是错误的（）。

A.面无表情

B.不吃不喝

C.意识障碍

D.对刺激无反应

E.呆坐呆立

根据《自然保护区条例》的规定，下列关于该行政法规的表述中不符合规定的是( )。

A．自然保护区包括有特殊意义的自然遗迹等保护对象所在的陆地、陆地水体或者海域中依法划出一定面积予以特殊保护和管理的区域
B．原批准建立自然保护区的人民政府认为必要时，可以在自然保护区的外围划定一定面积的外围保护地带
C．地方级自然保护区必须进行统一管理
D．在自然保护区的外围保护地带建设的项目，不得损害自然保护区内的环境质量；已造成损害的，应当限期治理

男性，58岁，进行性贫血。消瘦、乏力半年。有时右腹隐痛，无腹泻。查体：右中腹部扪及肿块，肠鸣音活跃。

如果需要手术治疗，术前准备最重要的是（）

A.纠正营养

B.肠道准备

C.心肺功能检查

D.肝肾功能检查

E.心理准备