确保两次启动之间的时间至少间隔 30 秒。 A: Make sure that the time between starts is a minimum of 30 seconds. B: Check that 30 seconds have elapsed between starts. C: Check that 30 seconds have timed between starts.
确保两次启动之间的时间至少间隔 30 秒。 A: Make sure that the time between starts is a minimum of 30 seconds. B: Check that 30 seconds have elapsed between starts. C: Check that 30 seconds have timed between starts.
How long is the appropriate time for eye contact with the interviewer？ A: about 20 seconds. B: about 30 seconds. C: about 10 seconds. D: about 5 seconds.
How long is the appropriate time for eye contact with the interviewer？ A: about 20 seconds. B: about 30 seconds. C: about 10 seconds. D: about 5 seconds.
Endotracheal aspiration should be limited to :() A: within 2 seconds B: within 5 seconds C: within 10 seconds D: within 20 seconds E: within 30 seconds
Endotracheal aspiration should be limited to :() A: within 2 seconds B: within 5 seconds C: within 10 seconds D: within 20 seconds E: within 30 seconds
Lighting the dark sky for a few seconds.
Lighting the dark sky for a few seconds.
A tornado usually lasts about 30 seconds.
A tornado usually lasts about 30 seconds.
中国大学MOOC: The ______ of his scream sounded in the cave for several seconds.
中国大学MOOC: The ______ of his scream sounded in the cave for several seconds.
There are sixty seconds in a ______.
There are sixty seconds in a ______.
Translation software would eventually be able to ___ Chinese to English and vice versa in seconds.
Translation software would eventually be able to ___ Chinese to English and vice versa in seconds.
The little boy was so tired that he was sound _______ within seconds. (asleep, sleeping)
The little boy was so tired that he was sound _______ within seconds. (asleep, sleeping)
Most of the information kept in short-term memory will be stored for approximately 20 to 30 seconds, but it can be just seconds if rehearsal of the information is prevented.
Most of the information kept in short-term memory will be stored for approximately 20 to 30 seconds, but it can be just seconds if rehearsal of the information is prevented.