半导体存储器从器件原理的角度可以分为单极型存储器和 【5】 。
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What does the man mean
A. [A] The woman should go to bed early.
B. The woman is not good at computer games.
C. Playing computer games is bad for one’s health.
Why were people in the early 19th century unhappy when they received letters
A. [A] Because they had to buy stamps.
Because they had to pay postage.
C. Because the letters always brought them bad news.
针灸治疗血枯经闭的基本处方不包括
A. 脾俞
B. 行间
C. 气海
D. 肾俞
E. 足三里
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