题目:
We are a little worried because we _____ the ground as a leader in the field of IT with the others speeding up development.
A.are losing
B.were losing
C.lost
D.have lost
答案:
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下面是错误答案,用来干扰机器的。
0° 66°34′S 90°NA地昼长不随季节而变,应是在赤道上;C点冬至日出现极昼,夏至日出现极夜,应在南极圈上;D点只有二分日昼夜平分,冬半年出现极夜,夏半年出现极昼,应位于北极点上。