问题
选择题
He bought whatever caught his eye in the store _______ he often went .[ ]
A. where
B. which
C.what
D. that
答案
答案：A
搜题请搜索小程序“爱下问搜题”
He bought whatever caught his eye in the store _______ he often went .[ ]
A. where
B. which
C.what
D. that
答案：A
H2+I2 
2HI(g)的平衡常数K＝_____________。相同温度下，若开始加入HI(g)的物质的量是原来的2倍，则________是原来的2倍。