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2020߼Ӥʦԡ֪ʶۺģʮ

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1. ʹĨӦ(B)

BճĨϵϴ

C÷ϴ

D

2. ʹ84Һ߽нݣʱӦΪ(C)

A10 B5 C1 D

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src="http://www.pitcao.com/yuys/files/2020-7/gif026.gif" 2020߼Ӥʦ_
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2020ӤʦԱϡѧϰأϵȫͳһߣ4000-525-585ϵͨ

3. Ӥ׶׵IJϴʱ(A)

Aÿһ Bÿ2 Cÿ3 Dÿ4

4. Աÿ(D)

A---

Bˢϴ----

C----ˮϴ

Dˮ----ˢϴ--------ˮϴ

5. Ʒڵ(B)

Aз B Cɹ DҩƷ

6. зʱ(C)

A15

B20

Cˮ20

Dˮ5

7. (D)е

AƷڿѬ

Cȫˮ

D

8. ʯ(B)

Bߵķ

Cߵʳ

Dߵķ

9. ʹʯʱ(D)

A1Сʱ B2Сʱ C3Сʱ D4Сʱ

10. ŨΪ(C)Ư׷۳ҺþߡҾߵȡ

A0.1-0.2% B2% C0.2-1% D1-10%

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