阅读理解。 There are forty-eight students in
问题：
阅读理解。
There are forty-eight students in our class. There are twenty- three boys and twenty- five girls. Some
students live near the school, and some others live very far from the school About half of the students
come to school by bike. They often get to school at a quarter to seven. About ten students often come to
school by bus. They often go 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 very late.
根据短文内容，选择正确答案。
1. More than half of the students usually come to school _____.
A. very late
B. very early
C. by bus
2. Some students are often late for school because _____.
A. their homes are far from the school
B. they go to school on foot
C. they get up very late
3. About _____ students go to school by bike.
A. forty-eight
B. ten
C. twenty
4. About ten students often come to school by bus because _____.
A. their homes are not near the school
B. they don't have any bikes
C. they can't ride bike
5. How many students live far from the school?
A. About thirty-eight .
B. About twenty.
C. About ten.
pC(g)的可逆反应，在室温条件下φ(B)与压强(p)的关系如图4所示，则下列有关叙述正确的是( )