正确答案: B

face

题目：52____.

解析：B

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学习资料的答案和解析：

[单选题]47_________

blood

解析：

自己的表演出现了失误，肯定非常尴尬，所以本题句意应为“我能够听到观众席上传来的咯咯笑声，我感到血冲上了脸。”应选择A项。

[单选题]下列各句中，加点的成语使用恰当的一句是(3分)

第四届全国体育大会组织者在赛事安排上独出心裁，创造性地采取走进社区、现场体验等方式，以突出全民互动的特点。

[单选题]根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。I was ten when I first sat with my grandmother behind the cashier(收银台) in her general store. ______71_______ I quickly learned the importance of treating customers politely and saying “thank you.”At first I was paid in candy. ________72______ I worked every day after school, and during the summer and no weekends and holidays from 8 a.m. to 7 p.m. My father helped me set up a bank account. ________73________

Before long, she let me sit there by myself.

[单选题]中国药典规定取某药2g，精密称定系指（ ）。

称取的重量可为1.995～2.005 g

[单选题]马铃薯和红薯都是旋花科植物。( )

错误

[单选题]大豆(Glycine max)原产我国，是重要的油料作物和食用植物蛋白来源。( )

正确