感染性心内膜炎最常见的致病菌为()
A．草绿色链球菌
B．金黄色葡萄球菌
C．产气杆菌
D．大肠杆菌
E．肺炎链球菌
参考答案：A
选出一处错误并改正。
1. Who makes (A) the boy does (B) his homework (C) all day (D)?_____________
2. There is going to (A) have (B) a trip to (C) the Great Wall (D)._____________
3. The builders (A) are busy (B) build (C) tall buildings (D).___________
4. The actor (A) swam (B) cross (C) the pool at (D) the corner.____________
5. The food gives (A) me energy (B) for (C) the afternoon and play (D) volleyball later.___________
あの 人は、 ようですね。
A． お医者さんだ
B．お医者さんな
C．お医者さんの
D．お医者さんで
