第22题: [单项选择]Given a relatively ______ sentence of 18 years (others were given suspended death sentences), Chen was later released from jail in consideration of age and poor health. A. benevolent B. compassionate C. lenient D. charitable 参考答案:C
第23题: [单项选择]植物的受精过程是()。 A. 单受精 B. 双受精 C. 多受精 参考答案:B