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【单选题】
如图电路, R =10 k Ω,忽略二极管导通时的管压降,则电流表的读数是 __ __ 。A.
0 Ma
B.
1.5 mA
C.
0.3 mA
D.
15 mA
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举一反三
【单选题】The way red meat is prepared has much to do with the probability of breast cancer.
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】—Do you believe that opportunities always ________ the prepared minds? —I couldn't agree more.
A.
make
B.
change
C.
keep
D.
favor
【单选题】下列关于钠泵的叙述错误的是
A.
是细胞膜上的镶嵌蛋白
B.
当细胞外 Na+ 浓度增多时被激活
C.
建立势能储备为某些营养物质吸收创造条件
D.
具有 ATP 酶活性
【单选题】It’s necessary to be prepared for a job interview. ______ will certainly do you good.
A.
Well dressed
B.
Well dressing
C.
Being well dressed
D.
Well dressing up
【单选题】What he told me to do was ______ I should get fully prepared before the interview.
A.
what
B.
if
C.
which
D.
that
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