通常情况下，酸性岩浆的粘度比基性岩浆的粘度小。
参考答案：错
果园里种了34棵桃树，种的梨树是桃树的8倍，种的梨树和桃树一共有多少棵？
______ you ______ to the Palace Museum last Sunday, Jane? [ ]
A. Do, go
B. Are, going
C. Did, go
D. Did, went
