Zhejiang Education Edition Ninth Grade Book II Science Exercise Book A Chapter III Section 6 Healthy Living (1) Answer

A: Foundation and consolidation.

1, reasonable life pattern, adequate diet and sleep.

2. Toxic substances and microbial toxins

3. Preventive treatment and diagnosis

4. Composition of drugs for hereditary diseases in constitutional families

give the right prescription for an illness

5、B

6、D

7、C

8.( 1) over-the-counter viral cold

(2)B

(3) Usage and dosage of main components

(4) 2065438+May 20th, 2005

Expansion and improvement

9.( 1) Experiment 1 shows that waste batteries are toxic to goldfish. The toxic degree and model of waste batteries to gold are as follows

Close. Experiment 2 shows that Manjianghong can purify the water polluted by waste batteries. The water purification ability of manjianghong and its relationship with

Its quantity is related.

(2) After entering the food chain, heavy metals such as lead will be gradually enriched. These toxic foods will eventually do harm to human body.

harm

(3) (1) The toxicity of waste batteries is extremely harmful to biology and will cause serious pollution to the environment. It should be publicized to the whole society so that people can

Establish environmental awareness, stop the environmental pollution caused by littering waste batteries, and collect and treat waste batteries in a centralized way.

Harmful treatment;

(2) Azolla can purify the polluted water to some extent, and can be used for the water polluted by waste batteries or heavy metals.

When planting manjianghong. However, these Azolla can not be used as animal feed to prevent poisons from entering the food chain.

Many people harm others.

Bian Xiao suggested: