1.[]The designing of a satellite in the heavenly environment is not absolutely an easy job.A.by all means B.by any means C.by every means D.by no meansABCD
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参考答案：D
参考解析：by all means“一定”，by any means“无论如何”，by every means用得较少，意为“竭尽全力”，相当于by all means，by no means“决不”。