A．holdB．fixC．retainD．keep
A. hold
B. fix
C. retain
D. keep
查看答案
What does "the process" appearing in the last paragraph refer to？
A. Pairing up successful instructions.
B. Sending instructions to the robot.
C. Generating new sets of instructions for evaluation.
D. All the above.
A．legallyB．libraryC．literallyD．liberty
A. legally
B. library
C. literally
D. liberty
A．Can I？B．Of course.C．Get on.D．Please don't.
A. Can I？
B. Of course.
C. Get on.
D. Please don't.
听力原文：What a fine weather! Do you feel like going for a walk？
(5)
A. Yes, I feel so.
B. Why not!
C. Never mind.
D. No, I don't feel so.
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