I guess it's really really hard for New Zealanders who are trying to learn a language like Mandarin when you are not in the ___ environment, but there's definitely a lot people can do to get the ___ that will help them.
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I think being able to speak Mandarin has been ___ to me through high school and university, and now into working life.
A lot of people are ___ that Asian languages are really hard, especially Mandarin.
关于磷酸戊糖途径生理意义的下列叙述,正确的是( )
A. 维持血糖
B. 生成ATP
C. 防止酸中毒
D. 生成NADPH
E. 抑制脂肪合成
生成NADPH的主要代谢途径是( )
A. 三羧酸循环
B. 糖酵解途径
C. 糖异生途径
D. 磷酸戊糖途径
E. 有氧氧化途径