1)  Dependine on the degree of culture achieved，the form given to the food prepared from wheat also varies greatly。

    the form是句子的主语，given to the…wheat是分词短语，作form的后置定语。其中分词given的逻辑主语是世界各地人们，given to…意为：赋予…，使……具有。句子的谓语是varies。

 

    2)  It is in view of the foregoing that an account has been atempted here of the plan for a cottage scale bakery。

    It为形式主语(失行词)，真正主语是后面出at引导的主语从句。in view of：  按照……的观点；考唁到……。be in riew of…：符合……的观点；是考虑到……的。修饰主语从句主语an account的介词短语of the plan…bakery因太长，故放在谓语的后面。

 

    3) Generally speaking，high protein flour is used as a base with  medium and low protein flour mixed in appropriate amounts．

    本句中，Generally speaking是插入语。as a base…in appropriate amounts是as短语结构，作主语补足语。在这短语中，with引导的成份实际上是分词短语，作a base的盾置定语用。它的正常语序是mixed with medium and low protein flour in appropriate amounts。

 

    4)After a short period in which they can recover from the action  of the scaling and rounding up，the dough pieces are moulded into the  shape required for the type of bread that is to be made.

    in wkich引出的定语从句修饰介词短语After a short period中的a short period。此定语从句中的they指小面块。谓语动词recover原意为恢复，这里指面坯由于前几道操作的影响产生的回缩，在所说的短时间内得到回复，这在焙烤工业上称为醒发。故有将dough recovery译为面团醒发的。the dough pieces是主句的主语。are moulded into…意为被模制成……。