营养品质
参考答案:
小麦籽粒的各种化学成分的含量及组成,其中主要是蛋白质含量和蛋白质中各种氨基酸的含量。
实验方法按其准确度与精密度不同,可分为()。
A.决定方法
B.参考方法
C.常规方法
D.以上均是
Hawking became world-famous in _______.
his thirties in the 1970’s
the thirties in his 1970
his 30s in 1970’s
the thirties during the 1970