When will the new product be available？
A. In a few weeks.
B. In two or three months.
C. In about two years.
D. In ten years.
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What is the talk mainly about？
A. Reproduction in echinoderms.
B. How fish avoid their enemies.
C. The form. of starfish.
D. The feeding habits and digestive systems of starfish.
此例最有诊断价值的化验是
A. 肾功能检查
B. 血脂
C. 24小时尿蛋白定量，血浆蛋白
D. 凝血功能检查
E. 肾B超
Why is closeness in distance disliked in some cultures？
A. It stands for hostility.
B. It is not normal.
C. h is an invasion of space.
D. It means intimacy between two people.
根据《海关法》的规定，进口货物的收货人、出口货物的发货人、进出境物品的所有人是关税的纳税义务人。
A. 正确
B. 错误
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