the professor gave a long speech____the future of genome tec

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the professor gave a long speech____the future of genome technology.
为什么was concerned with不对?答案是concerning

1.两个词意不一样.
concerning关于.,（也就是主要讲the future of genome technology）
was concerned with：涉及（主要不是讲the future of genome technology）
2.语法不允许
前面有动词gave,在同一句中,后面显然不可以接was.
再问：涉及（主要不是讲the future of genome technology）什么意思？前面有动词gave，在同一句中，后面显然不可以接was.不是可以是非谓语的吗？
再答： 1.the future of genome technology的意思是：未来的基因技术 was concerned with the future of genome technology：涉及未来的基因技术说明基因技术只是这个报告中的一小部分，主要讲的不是基因技术. 2.同学得复习一下非谓语动词了非谓语动词是要+to,或者+ing的.

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