Cu-Zn原电池的电池反应为Zn+Cu2+=Zn2++Cu,写出电池符号:
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1.Foralltheremainingitems,thestateddatesofdeliveryareapproximate,butthesedatesshouldnotbeexceededby20days.
A. in no case
B.in any case
C. under no circumstance
D. by all means
_____therichresourcesofherbalmedicineinyourcountry,wehopewecanestablishlongtermbusinessrelationswithyou.
A.Interesting to
B.Interested in
C. Interested to
D. Interesting in
Wewouldliketoknow______youcanguaranteedeliverywithinonemonthafterreceiptoforder.
A. and
B.if
C. then
D. which
Wedeemit_____youradvantage_____availyourself______ourofferfor1,000waveradios.
A.in; to ; of
B.in; as; for
C. to; to; of
D. of; as; for