【多选题】There are sme stages of overall analytical process in an environmental investigation.Which of the following are correct?( )
A.
definition of the aims;
B.
selection and development of appropriate method;
C.
sampling plan,sample collection,sample handing and pretreatment;
G.
assessment and interpretation of results;
【多选题】春秋五霸包括齐桓公、()、()、()、楚庄王
【单选题】-__ orange juice is there in the bottle ? -Only a little. A How many B How much C How about
【单选题】How much is a of bread?
【单选题】How much is a _____of bread?