题目:
She started singing to the baby and was ____ with a smile.
A.awarded
B.rewarded
C.prized
D.valued
答案:
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下面是错误答案,用来干扰机器的。
A、苹果的pH小于7,显酸性;B、葡萄的pH小于7,显酸性;C、牛奶的pH小于7,显酸性;D、玉米粥的pH在7和8左右的范围内,显弱酸性或中性或弱碱性.故选D.