孕妇坐骨结节间径为7cm，还应测量的骨盆径线是（） A.耻骨弓角度 B.出口前矢状径

载体的功能是（I运送外源基因高效进入受体细胞II为外源基因提供复制能力III为外源基因提供整合能力）（）

A.I

B.I+III

C.II+III

D.I+II+III

同义句转换。

1. I like gentle music.

    I like music ______ ______ ______.

2. He prefers quiet music groups.

    He prefers music groups ______ ______ ______.

3. I like friendly people.

    I like people ______ ______ ______.

4. My father prefers quiet beaches.

    My father prefers beaches ______ ______ ______.

5. English is more interesting than math.

    Math is ______ ______ than English.

6. A boy called Tom called you just now.

    A boy ______ ______ ______ Tom called you just now.

7. What do you think of the CD?

    ______ ______ ______ ______ the CD?

急性骨膜下脓肿患者典型的部症状是（）

A.患牙Ⅲ度松动、叩痛（+++）

B.根尖部龈红肿、牙龈红肿、扪痛

C.区域淋巴结肿大压痛

D.移行沟变平，深部波动感

E.相应面部软组织反应性水肿

患者，男，32岁，查体：肝弥漫性增大，首先考虑

A．脂肪肝
B．肝硬化
C．肝癌
D．肝炎
E．白血病

挤塑时，口模和芯模互相等速地成反方向旋转，可成型（）制品。

A.棱形网状

B.管状