男童，8月龄，高热6天，伴咳嗽气促，R60次/分，精神委靡，面色苍白，左肺背叩诊浊，偶闻少许中细湿哕音，HR178次/分。胸片示左上肺大片阴影伴肺气肿，血WBC9.6×109/L，中性粒细胞0.56。
入院后用头孢拉定等治疗，效果不明显，需尽快作出病原学诊断，应首选的检查是
A．血WBC分类计数
B．咽拭病毒分离
C．痰液细菌培养
D．血WBC碱性磷酸酶积分
E．免疫荧光法测特异抗体
参考答案：E
| 书面表达. | |||||||||||||
请按Tom的作息时间表，在短文中的空格内填上一个适当的词。
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| My name is Tom. I’m an American boy. I study at No. 2 Middle School. On weekdays I __1__ __2__ at 6:00 in the morning every day. I __3__ morning exercises at __4__ __5__. I __6__ __7_ __8__ six fifty. I __9__ __10__ __11__ at seven __12__. Classes __13___ at __14__. I __15___ ___16__ at __17__ _18___. We __19__ __20__ at three fifty __21__ the afternoon. We ___22__ __23 _ at five ___24__. We ___25__ ___26__ at six. I __27__ ___28___ __29__ at seven ___30__ __31__ the ___32__. I often __33__ __34__ at 8:00. I ___35__ ___36___ ___37__ at nine forty. |