单选题
All of the products at Wally's Discount Furniture require ______, but detailed instructions and essential tools are provided.
(A) assembly
(B) support
(C) reference
(D) development
A
B
C
D
【正确答案】
A
【答案解析】
[词汇] assembly装配
[错误答案] (B)支援(C)参考(D)发展
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