Did you ever have someone’s name on the tip of your tongue and yet you were unable to recall it (1) this happens again, do no (2) to recall it. Do something (3) for a couple of minutes, (4) the name may come into your head. The name is there since you have met (5) person and his name. It (6) has to be dug out. The initial effort to recall (7) the mind for operation, but it is the subconscious (8) that go to work to dig up a (9) memory. Forcing yourself to recall (10) never helps because it doesn’t (11) your memory；it only tightens it. Students find the preparatory method help (12) examinations. They read over the questions (13) trying to answer any of them. (14) they answer first the ones (15) which they are most confident. Meanwhile, deeper mental activities in the subconscious mind are taking (16) ; work is being done on the (17) difficult questions. By the time the easier questions are answered, answers (18) the more difficult ones will usually begin to (19) into consciousness. It is often (20) a question of waiting for recall to come to the memory.
6（）
A.then
B.really
C.only
D.indeed
参考答案：C
解析：
[考点] 逻辑推理
上文提到，名字就在你的大脑里，那么我们按照正常逻辑可以推断，下文是要说只不过需要你去把它挖掘出来。那么此处只能填only(只是，不过)。
[干扰项分析] A选项then表示“然后”；B选项really表示“真正地”；D选项indeed表示“确实地”，B、D可进行同义排除，而A也不符合题意。