Because inquiry learning curriculum is still at exploring and pilot stage at present, to further investigation of this problem, have certain foresightedness.

因为研究性学习课程目前还处于探索和试点阶段，对此问题的深入研究，具有一定的前瞻性。

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The Air Force started a full FBI background check on the pilot and held him overnight during the investigation.

空军开始对他进行FBI式的检查，调查期间，晚上他也被扣押着。

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Initial investigation showed that there was a student pilot aboard the plane, police said.

警方表示，初步调查显示，事故飞机上有一名飞行学员。

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There was a pilot investigation program, which, among other things, traced a 1904 fruit-decay crisis in California to cuts in the fruit from stem clippers and the fingernails of handlers (and, along the way, introduced modern packing methods industry-wide).

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An aviation official, speaking on condition of anonymity because he wasn't authorized to talk to reporters, blamed the pilot, saying initial results of the investigation showed he jumped out when the fire began, instead of shutting off valves that would have prevented the gas canister from exploding.

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The pilot is being withheld from service until the investigation is completed, he said.

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