未知题型
Questions 18-20
Complete the fiow chart below.
Use NO MORE THAN THREE WORDS or A NUMBER for each answer.
OPERATION NEST EGG
【18】______ →【19】______ →Chicks returned to wild →RESULT Survival rate increased from 【20-1】______ to 【20-2】______
【18】
A.UseB.
OPERATION
【参考答案】
eggs (are) collected
eggs (are) collected
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