Gregor Mendel chose to study pea plants because their characteristics were easy to control.
格雷戈尔•孟德尔选择研究豌豆，是因为它们的特性容易控制。
（1）他发现这个句子很难理解。
He found that the sentence was hard to understand.
He found that the sentence was hard to understand.

（2）这个问题三言两语很难说明白。
It is difficult to answer this question in a few words.
It is difficult to answer this question in a few words.

【答案】He found that the sentence was hard to understand.；It is difficult to answer this question in a few words.

【解答】

【点评】

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发布：2024/6/27 10:35:59组卷：0引用：1难度：0.9

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