A: The minimum time between checks is two minutes.
B: Allow at least two minutes between successive checks.
C: The least interval between successive checks is two minutes.
举一反三
- 允许连续检查之间至少间隔两分钟。 A: The minimum time between checks is two minutes. B: Allow at least two minutes between successive checks. C: The least interval between successive checks is two minutes.
- The average time between two high waters is 12 hours and 25 minutes because this is the time it takes for ______.
- 187.When there are small differences between the heights of two successive high tides or two successive tides, the tides are called _____.
- The _______ between the two playing periods of a football game is only a few minutes.
- Before starting an engine by air, the engine must（） A: be turned by a turning gear for at least one minute B: be turned by a turning gear for at least two minutes C: be turned at least one complete turn D: be turned at least two complete tur
内容
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The general rule for quality checking is. A: Three bites or three minutes B: As soon as they have a bit C: Two bites or two minutes D: Two bites or three minutes
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Which one below is NOT an essential element of communication? A: At least two or more people get involved. B: A shared language between the sender and receiver of messages C: No share of information D: Some contact between two sides
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Yesterday she spent ▉ two hours―▉ twenty minutes talking to her boyfriend on the phone. A: two hours B: twenty minutes
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If you are a representative of the host, when should you arrive? A: Just on time. B: At least 10 minutes early. C: At least 20 minutes early. D: At least 30 minutes early.
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About how long does it take to do the experiment A: Just five minutes. B: Slightly less than an hour. C: Between one and two hours. D: A little more than two hours.