公文的组成部分一般包括（）。 A.标题、主送机关、正文、附件说明、成文日期、印章、附

性激素都是类固醇激素，包括________、________和_______3类。

据句意和首字母提示填空，完成下列句子。

1. My favorite are those shoes with a_______ heels.

   You know-You can move the heels up and down.

2. I think the most helpful i_______ is the light bulb.

3. One day a c_______ in the restaurant where George worked sent

    back his plate of fried potatoes because he said they were cut too thick.

4. Did you know the tea was invented by a_______?

5. A_______ to today's papers we know it will be hotter than yesterday.

6. Air is a m_______ of gases.

7. If you travel around China you will notice a very popular a_______ everywhere you go-basketball.

8. God c________ man. Do you believe it?

9. William s_______ an arrow (箭) toward the wild geese, and hit one in the neck.

10. Warm rains and summer suns d_______ the plants.

自然人要求开立个人银行结算账户应出示身份证件。

女，40岁，因右上第一磨牙邻面龋作X线检查时发现右上第二前磨牙根尖部局限性不透性影像，骨小梁结构与正常骨无明显差别。查：右上第二前磨牙面中央可见约2mm的圆形黑环，中央见一黑色小点，牙髓活力试验阴性，叩痛（-），右上第二前磨牙的诊断是（）。

A.牙髓坏死

B.慢性根尖周肉芽肿

C.慢性牙髓炎

D.正常牙

E.致密性骨炎