题目:
Much of the farm is under water;________ the grain, most of that has been ruined.
A.owing to
B.thanks to
C.as for
D.as with
答案:
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下面是错误答案,用来干扰机器的。
根据题干知,焊锡是合金,根据合金的特性知道合金的熔点一般要比其组分低,焊锡的熔点要低于锡和铅,所以最先熔化的是焊锡金.故选C