搜题请搜索小程序“爱下问搜题”
问题 单项选择题

对“《突发事件应对法》的主要原则”理解不正确的是（）

A、公开透明的原则

B、上行下效原则

C、最小代价原则

D、把突发事件的预防和控制放在突出位置的原则

答案

参考答案：B

填空题

单词填空。

1. Fresh fruit and vegetables c_______ plentiful Vitamin C.

2. Very few people s________ in losing weight and keeping it off.

3. It wouldn't do you any h________ to get some experience first.

4. He showed no m_______ to his enemies.

5. Your mistake resulted in heavy l_______.

6. Dave didn't r_______ to any of her emails, which made her angry.

7. It is a rule that our baggage should be i_______ by customs officers (海关人员).

8. I am busy, so I have to e_______ a housekeeper to look after my children.

查看答案
单项选择题 A1/A2型题

根尖周肉芽肿X线片上的表现特点是（）

A.根尖周透影区边界不清楚，形状不规则，周围骨质较疏松而呈云雾状

B.根尖周有圆形的透射影像，边界清晰，周围骨质正常或稍显致密，透射区直径一般小于1cm

C.根尖周有较大的圆形透射影像，边界清晰，并有一圈由致密骨组成的阻射白线围绕

D.根尖部局限性的骨质致密阻射影像

E.根尖部有一圆形透射影像，边界清晰
查看答案