- 搜標(biāo)題
- 搜題干
- 搜選項(xiàng)
單項(xiàng)選擇題
采樣前房間準(zhǔn)備（）
A.關(guān)閉門窗
B．在無(wú)人走動(dòng)的情況下靜止10分鐘
C．以上都對(duì)
B．在無(wú)人走動(dòng)的情況下靜止10分鐘
C．以上都對(duì)
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問(wèn)答題
微生物最好的碳源是 ,尤其是 和 ,他們最容易被微生物吸收和利用。能用作微生物N源的物質(zhì)有 , , 和 。
答案：
微生物最好的碳源是葡萄糖，尤其是葡萄糖和果糖，他們最容易被微生物吸收和利用。能用作微生物N源的物質(zhì)有銨鹽、硝酸鹽和氨基酸...
問(wèn)答題
Furthermore, clothing that has survived from the past tends not to be typical of what was worn in daily life. Museum collections are full of fashionable ball gowns, for example, but have very few everyday dresses worn by ordinary working-class women.
Furthermore, clothing that has survived from the past tends not to be typical of what was worn in daily life. Museum collections are full of fashionable ball gowns, for example, but have very few everyday dresses worn by ordinary working-class women.
答案：
The passage suggests that the clothing preserved in museums ...
