栉风沐雨zhì fýng mù yǔ
参考答案:
风来梳头发,雨来洗头发,形容奔波劳碌,不蔽风雨。
____ in a top-level university abroad is what many students wish for. [ ]
A. Educated
B. Being educated
C. To educate
D. Educating
下列关于化学反应xA + yB = mC + nD(x、y、m、n为化学计量数)的说法中,一定正确的是[ ]
A. x + y = m + n
B.若生成物中有水,该反应是中和反应
C.参加反应的A和B的质量比等于生成物C和D的质量比
D.若A和B的质量都为a g,充分反应后生成物的总质量小于或等于2a g