You can’t see things clearly through a telescope unless it is correctly to your sight.
A. adjusted
B. examined
C. checked
D. tested
网友回答
(答案→)A. adjusted
B. examined
C. checked
D. tested
解析：句意：如果望远镜不能正确的按照你的视力调整你不可能清楚地看见东西。Adjust调整；examine检查；check检查；test实验。根据句意故选A。