题目内容

通过诱变育种同时改良多个性状的难度很大。()

A. 对
B. 错

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β射线是目前辐射育种中最常用的诱变剂。()

A. 对
B. 错

2012.12 Task 4A-Bank loanB--Business planC-Investment returnD-Consumer price indexE-Cost controlF--Contract workerG--Customer loyallyH-Daughter companyI-Parent companyJ-Import DutyK-Price ControlL-Sales TaxM-Cash flowN-Mail OrderO--Factory PriceP-Contract of employmentQ-Employment LawExamples:(I)母公司(Q)劳工法51.( )成本控制 ( )消费者物价指数

52.( )子公司 ( )进口关税

53.( )邮购 ( )销售税

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