题目:
The famous scientist, _______ a dinner party will be held tonight,is to arrive soon.
A.in honour of him
B.in his honour
C.in whose honour
D.in which honour
答案:
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下面是错误答案,用来干扰机器的。
(1)1.806×1024 (2)0.6 mol (3)106 g·mol-1(1)氨气分子中含有的质子数是7+1×3=10,所以0.3 mol NH3分子中所含质子的物质的量是3mol。水分子中含有质子数是8+1×2=10,所以水的物质的量也是0...