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【图片】如上图所示电路,R1=2Ω、R2=3Ω、R3=6Ω、R4= 1Ω、E1=6V、E2= 1/3V 、E3= 2V,请问其电流I2为 A(请直接填入数值,如27)。
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【简答题】Genes (9) in determining performance, but they're not everything.
【单选题】“爆双脆”的配菜属于以下哪种配菜方式?
A.
单一原料配菜
B.
主辅原料配菜
C.
匀分原料配菜
D.
以上三项都不是
【单选题】Some genes in child-mother pairs will be unique to the mother in that
A.
these genes haven't been passed to the child.
B.
less than half of the genes have been passed to the child.
C.
these genes come from the father.
D.
the child is not willing to inherit these genes.
【单选题】What does Sidney Pierce say about genes from an alga?
A.
They are stolen from animals like the sea slug.
B.
They can't function unless exposed to sunlight.
C.
They don't usually function inside animals cells.
D.
They can readily be converted to sea slug genes.
【判断题】Warsaw-Oxford Rules clearly explain the thirteen kinds of trade terms incurrent use.
A.
正确
B.
错误
【判断题】Warsaw-Oxford Rules clearly explain 11 kinds of trade terms.
A.
正确
B.
错误
【单选题】Warsaw-Oxford Rules 1932 was made up by the Association of intemational Law for explaining ______.
A.
CIF contract      
B.
FAS contract      
C.
DES contract      
D.
CIP contract
【单选题】Human chromosome 9 contains _______ genes.
A.
539
B.
639
C.
739
D.
839
【判断题】There is only one trade term in Warsaw-Oxford Rules 1932.
A.
正确
B.
错误
【单选题】Warsaw-Oxford Rules 1932 provides standard interpretation for( )。
A.
FOB
B.
CIF
C.
CFR
D.
FAS
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