There are fifty students in our class. There are twenty-four boys and twenty-six girls. Some students live near the school, and some others live far from school. About half of the students usually come to school by bike. They often get to school at a quarter to seven. About fifteen students often come to school by bus. They often get to school very early, too. Another ten students come to school on foot. Their homes are near the school, but they are often late for school, because they get up late.

小题1:________ live near the school.

A．Some of the students

B．Half of the students

C．No students

D．All the students小题2: ________ students come to school by bike.

A．Twenty-five

B．Twenty-four

C．Twenty-three

D．Fifty小题3:Ten of the students ________.

A．come to school by bike

B．come to school late

C．come to school very early

D．live in the school小题4: Some students get to school by bike at _______.

A．7:35

B．7:30

C．6:45

D．6:30小题5:________ students come to school on foot.

A．Thirty

B．Twenty

C．Thirty-eight

D．Ten

女孩，3岁，发热5天，伴流涕、咳嗽。今晨出现眼结合膜充血，耳后颈部出现斑丘疹，针尖大小，皮肤正常，2周前用过青霉素。

应密切观察最可能发生的常见并发症是（）

A.喉炎

B.心肌炎

C.脑炎

D.中耳炎

E.肺炎