题目内容
When you express your apologies to your guest, you may say "I beg your pardon, sir.' in a falling tone.
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When you ask the guest to repeat what he says, you may say "I beg your padon" in the rising tone.
What comes with the digital technology in the era of “smart agriculture”?
Which of the followings is NOT the goal of Agriculture 4.0?
What technologies are available to alleviate some of the existing problems？
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