关于肺原发性淋巴瘤的诊断标准，错误的是A．影像学上显示肺、支气管受累，纵隔淋巴结肿大

头痛剧烈，颈项强直，瞳孔尚未改变而呼吸骤停者，应考虑为（）

A．小脑幕切迹疝

B．枕骨大孔疝

C．大脑镰下疝

D．去大脑强直

E．去皮质强直

根据句意及首字母提示补全单词。

1. The little shy girl got n_____ when she saw the head teacher coming towards her.

2.Her friends all believe what she said,because she is always t_____ to words.

3. Jack wanted to post this letter,so he went to the post office to buy some stamps and an e_____.

4. You are so l_____ to have such good and patient teachers.

5. The weather was bad and the food was so terrible. My holiday was very d_____.

1岁9个月患儿，至今不会独立行走，智力发育落后于同龄儿。查体：眼距增宽，鼻梁平，腭弓高，舌常伸口外，小指向内侧弯曲，通贯掌。面部无水肿，皮肤细嫩。无异常气味。

哪一项不常见（）

A.免疫功能低下

B.性发育延迟

C.骨龄落后

D.先天性肾病

E.先天性心脏病

化石能源是其他能源转化来的二次能源。[ ]

属于选择培养基的是（）。

A.血琼脂平板

B.S-S琼脂培养基

C.疱肉培养基

D.双糖铁培养基

E.肉汤培养基