口齿伶俐。(下面哪组词语中的多音字只有两种读音?)[ ]
A.挣扎 挣钱 挣断 挣命
B.温和 和诗 和药 和牌
C.目的 好的 的确 真正的
D.强壮 勉强 倔强 强迫 强大
答案:A
钢筋混凝土板桩应尽量采用预应力混凝土或高强混凝土,以提高()、()。
If the cat__________ the sparrow, it __________into the pond. [ ]
A. hadn't teased; would not have fallen
B. hasn't teased; would not have fallen
C. hadn't teased; did not fall
D. hadn't teased, won't have fallen