问题
单项选择题
The noise of the traffic()Paul from his work.
A.prevented
B.distracted
C.angered
D.upset
答案
参考答案:B
The noise of the traffic()Paul from his work.
A.prevented
B.distracted
C.angered
D.upset
参考答案:B
下列四个图像中,能正确反映对应变化关系的是( )
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A.向一定量的稀盐酸中加入过量的镁粉 | B.向一定量的稀盐 酸中加入足量的水稀释 | C.向两份完全相同的稀盐酸中分别加入锌粉、镁粉 | D.向一定量氢氧化钠溶液中滴加稀盐酸 |