问题

You can get the best result ________ you carry out the experiment under the desired conditions

A:what if
B:even if
C:only if
D:as if

正确答案是：

同类题型

从常见文言句式的角度看，下面判断正确的一项是（）①蚓无爪牙之利，筋骨之强。 ②求人可使报秦者，未得。③族秦者秦也，非天下也。 ④大王来何操

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Will you go to John’s party this Friday——Of course not, ______.

Tina didn’t go to school yesterday, did she— Bcause she was badly ill.

When I talked with my grandma on the phone, she sounded weak, but by the time we ______ up , her voice had been full of life