34．D。后半句 “… I might step back on it.”说明，它会爬到“我”的身后。

33．C。表语从句 “…while I was busy catching one snake , another might move round _______ me and I might step back on it.”说明“我”当心的事情。

32．B。空后的 “with this I came near each snake, pinned it down with the fork” 说明“我”用的是叉形木棍。

31．A。第二段说，“我”因为当时灯熄灭了加上一只脚赤足，非常恐惧而不敢动。而现在, “ With plenty of light and both shoes on …” 应该是“胆子”大了。

30．D。pull out　 在此意为“掏出”。

29．C。前句 “with no light and no shoe on one foot, … by seven or eight deadly Baboon snakes.”和后句 “I had to wait in the dark, without daring to move…”说明“我”当时非常恐惧。

28．C。根据短文的意思可知，“我”在坑的底部，四周是七、八条毒蛇，被它们包围着。

27．B。根据上下文，可知“我”现在的位置是在坑的底部。

26．A。空后的 “… came off…(脱落)”，说明鞋过大。

25．D。短文第一段第二句 “… they very kindly lent me these trousers and shoes…”提供信息。