For each of them there are four choices marked A, B, C and D. You should decide on the best choice and mark the corresponding letter on Answer Sheet 2 with a single line through the centre.
每题都有对应标记的A、B、C和D四个选项，请选择最佳选项并在答题卡2的相应字母中间划横线。
2
Draw a line from a to B.
从A到B划一条线。
《新英汉大辞典》
3
From the menu, you may press e on an entry to edit it, c to switch to a GRUB command line, b to boot the system, p to enter a password, and Esc to return to the menu or to the previous step.
在菜单中的条目上按 e 键将编辑条目，按 c 键切换到 GRUB 命令行，按 b 键引导系统，按 p 键输入密码，按 Esc 键返回菜单或上一步。