—Could you please me your notebook, Grace?
—Certainly. Here you are.
A:borrow
B:to borrow
C:lend
D:to lend
用科学记算器计算(﹣2.13)5≈____ (精确到0.01)
关于长江和黄河的叙述,不正确的是( )
设NA为阿伏加德罗常数的数值,下列说法正确的是( )