执行 XOR AX,AX DEC AX 后,AX 寄存器和CF标志位的值为( ). A. FFFFH ,0 B. FFFFH ,1 C. 0000H ,1 D. 0000H ,0
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【单选题】听力原文:M: So, what is your biology project about? W: It is about microorganisms that…en, microorganisms that live by Chemosynthesis. M: Ehm…what’s Chemosynthesis? W: Well, it’s pretty complicated. You k...
A.
How hydrothermal vents are formed.
B.
How living things get energy from sunlight
C.
The harmful effects of certain chemicals in the ocean.
D.
Microorganisms that get energy from chemical reactions.