阅读理解。
I have many good friends. One is John. He runs very fast. He always says to us "I can run very, very
fast. "One day a man goes to his house, takes some good things, and runs away. John runs after him and cries
out, "Stop, do you know I can run faster than you?" But the man runs faster. John is angry. He runs very
fast to me. I ask him, "Why you run so fast?" He says, "I want to catch the man." "But where is he?" "He is
behind me, he thinks he is faster than me, but you see I'm faster."
1. John is ______.
A. a boy
B. a runner
C. one of my friends
2. John likes to tell people ______.
A. he can walk fast
B. he can run fast
C. he can catch the ma
3. John is happy because he ______.
A. catches the man
B. run faster than the man
C. walks very fast
4. When his friend sees him, John runs ______.
A. behind the man
B. before the man
C. alone
5. Which is right?
A. The man is right
B. John is wrong
C. John's friend is wrong
，易溶于水，能和碱反应。当1mol阿司匹林和足量氢氧化钠溶液反应时最多需氢氧化钠