人的胚胎形成就可称为胎儿。 （ ）
错
题目分析：胚胎发育到第二个月末，外貌已初具人形，从这时起一直到出生前的胚胎叫胎儿，故题干的叙述是错误的。
五、单词拼写（共8小题；每小题1分，满分8分）
62. Bob is watching TV and m his sister is doing some washing.
63. At the graduation c , the headmaster gave us an impressive speech.
64. Middle school students are tired out under too much study p .
65. It is e that he is not equal to the job.
66. Most of his p got lost because of the war.
67. There will be an e of the development of our school next week.
68. Who can p what the human being will be like in thousands of years?
69. Without the new communication t , we couldn’t get in touch with each other so easily.
下述有关颌骨骨髓炎的论述正确的是（）
A.颌周间隙感染导致的中央性颌骨骨髓炎最为常见
B.幼儿患者边缘性骨髓炎死骨刮除时切勿损伤牙胚
C.急性弥漫性中央性颌骨骨髓炎可导致多数牙松动
D.慢性颌骨骨髓炎不适于手术治疗，应以保守为主
E.下唇麻木是边缘性颌骨骨髓炎重要的诊断依据
