Which one of the following expressions is used to introduce the function of a product?
A. The sofa is made with latest technology and professional design.
B. When you press the red button for 3 seconds, the mute function is activated.
C. If it's under warranty, you can enjoy free service.
查看答案
When introducing the function of a product, which expressions or sentence patterns are often used? (multiple choice)
A. allow or help
B. by
C. time or conditional adverbial clauses
D. relative clause
Which expressions are correct to introduce the warranty of a product? (multiple choice)
A. If it's under warranty, you can enjoy free service.
B. If it's under warranty period, we offer free service.
C. If it's in the warranty period, we offer free service.
D. If it's in the warranty, free service is provided.
4.24判断题：执行循环右移指令时，如果目标操作数为位组合元件。则只有K4或K8才有效。（）
A. 对
B. 错
4.22判断题：循环左移指令ROR和循环右移指令ROL
A. 对
B. 错
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