You should decide on the best choice and mark the corresponding letter on Answer Sheet 2 with a single line through the centre.
选择最恰当的答案，并在答题卡2相应字母中心处画一条线。
2
Mark the corresponding letter on Answer Sheet 1 with a single line through the centre.
在答题卡1相应字母中心处划一条线。
3
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.