题目内容
Dr Yuan Longping grows ________ is called super hybrid rice, _________ has a high output.
| A.what; which | B.that; what | C.that; which | D.what; what |
A
本题考查定语从句和宾语从句。第一个空是宾语从句,引导词作主语用what;第二空是非限制性定语从句,引导词代表super hybrid rice,在从句中作主语,用which。
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