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【单选题】
下列关于动作电位的描述正确的是A.
刺激强度小于阈值时出现低幅度动作电位
B.
刺激强度达到阈值后，再增加刺激强度可使动作电位幅度增大
C.
动作电位一经产生，便可沿着细胞膜作电紧张性扩布
D.
传到距离较长时，动作电位的大小不发生改变
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举一反三
【单选题】Please don't force me, this problem is so ___ that I can't solve it.
A.
portable
B.
complex
C.
competitive
D.
typical
【单选题】This math problem is so easy. I think ______ can work it out. [ ]
A.
nobody
B.
somebody
C.
none
D.
anybody
【单选题】This math problem is so difficult. _______ people can work it out in our class. [ ]
A.
Little
B.
A little
C.
Few
D.
A few
【单选题】This problem is so tough that only______ students can solve it.
A.
a few
B.
many
C.
a little
D.
much
【单选题】This maths problem is so difcult that only___students can work it out.
A.
a few
B.
few
C.
a little
D.
little
【单选题】This problem is far from , so it has to be discussed again at tomorrow’s meeting.
A.
settled
B.
settling
C.
being settled
D.
being settling
【单选题】某心理咨询师的母亲出现了心理问题,其妹妹想让其进行心理治疗,但他却把母亲转给其他心理咨询师治疗,该心理咨询师遵循的原则是
A.
保密原则
B.
真诚原则
C.
中立原则
D.
回避原则
E.
系统原则
【单选题】某心里咨询师的母亲出现了心里问题，其妹妹想让其进行心理治疗，但他却把母亲转给其他心理咨询师治疗，该心理咨询师遵循的原则是：
A.
保密原则
B.
真诚原则
C.
中立原则
D.
回避原则
E.
系统原则
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