血清转铁蛋白受体测定升高见于A．再生障碍性贫血 B．缺铁性贫血 C．铁粒幼细胞贫血

— Dad, would you please drive __________?

— No hurry .We have enough time before the plane takes off.

A．faster

B．more faster

C．more slowly

D．more carefully

尖牙窝一般位于

A．中切牙根尖上方

B．侧切牙根尖上方

C．尖牙根尖上方

D．双尖牙根尖上方

E．磨牙根尖上方

Liping works very hard at his lessons .He didn’t get the first place in the exam ,_______.

A．though

B．yet

C．however

D．although

在成批大量生产中，一般都采用（）来检验产品。

A.游标卡尺

B.千分尺

C.极限量规

D.量块

若切丝工序来料烟叶水分偏干，则压缩后极易蓬松，刀门夹持困难，加上烟叶（）大，切不断而导致跑片。