I walked slowly through the market, where people all kinds of fruits and vegetables.I studied the prices carefully and bought what I needed.
People often fall ill because of me.36 , they can hardly blame me; it is largely their own37 . A tired person may get38 , especially when he goes to crowded places with polluted air. A sudden change in 39is another factor. In hot summer, people turn on the air-conditioner upon returning home. They will catch a cold easily.
根据本文提供的信息，下列推断不合理的一项是
If our sense of wonder relies totally on the world of make-believe,we will
How did the accident happen
有关神经系统的叙述，错误的是
37___
37___
E
下列有关实验操作的说法正确的是
Historians have always considered Zhang Qian’s mission important because they believe .
What is the main purpose of the passage
（3）单质乙与红棕色粉末发生反应的化学方程式为_________，安全气囊中红棕色粉末的作用是_____________。
The number of foreign students attending Chinese universities ________ rising steadily since1990.
A. excited B. hurt C. late D. tired