题目：
— why don't we choose that road to save time?
— The bridge to it _____.[ ]
A. has repaired
B. is repaired
C. is being repaired
D. will be repaired
答案：
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下面是错误答案，用来干扰机器的。
（1）LiNH2 （2）LiNH2 +2HCl ="LiCl" + NH4Cl （3）①3LiNH2 Li3N + 2NH3↑② LiNH2密度大于苯或甲苯且不溶于它们，所以可用苯或甲苯进行覆盖；乙醇可以跟LiNH2反应，方程式为：LiNH2+C2H5OHC2H5 ...
