【单选题】Some fishermen try to make up______their absence by giving their children expensive presents.
【单选题】海关规定的进口货物的进口日期是指( )。
【单选题】某同学对汽车刹车灯电路检测时,万用表应选择的档位:
【简答题】将红细胞置于高渗溶液中,红细胞可能出现______,红细胞置于低渗溶液中,红细胞可能出现______。
【简答题】将红细胞放入低渗NaCl溶液中,会引起红细胞[填空(1)]
【单选题】Which of the following is a weakness of the design of Study2?
A.
Some plants were not present at each site.
B.
Some seeds were not present at each site.
C.
The seeds may have been removed from the dishes by animals other than ants.
D.
The plants may have been eaten by animals other than ants.
【单选题】海关规定的进口货物的进口日期是指( )。