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.
查看答案
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
4.23判断题：位左移指令为ROR.（ ）
A. 对
B. 错
园林文学的形式有（）。
A. 园记
B. 提额
C. 匾额
D. 小说
微信支付 
支付宝支付