According to scientists, our mental abilities begin to____ from the age of 27 after reaching the highest level at 22.
| A．differ | B．shrink | C．fail | D．decline |
相关试题
It’s already 10:00. I wonder how itthat she was two hours late on such a short trip.
| A．came over | B．came out | C．came about | D．came up |
might be expected, the answer to the question was very mixed.
| A．As | B．That | C．It | D．What |
If their oxygen, the two British mena chance of surviving.
| A．ran out, had | B．didn’t run out, would have |
| C．had run out, didn’t have | D．hadn’t run out, would have had |
By the middle of the 1920s the farthest corners of the earthexplored.
| A．are | B．were | C．have been | D．had been |
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