B is now distinctly slower than a, c, and d.
b现在明显比a、c和d慢。
Swimming time of A, B, C groups were significantly longer than D group.
B、C三组的游泳时间均比D组要长，统计具有显著性差异。
Many letters in the alphabet such as b, c, d, etc are consonants.
字母表中的许多字母像b,c,d，等等都是辅音字母。
You may borrow this dictionary A. as long as B. so far as C. in case D.
只要你能保证这本字典干净，你借多长时间都行。
Answer the questions after each text by choosing A, B, C or D.
超出答题区域书写的答案无效；
Answer the questions after each text by choosing A, B, C or D.
超出答题区域书写的答案无效；
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