下列关于人口容量的叙述,正确的是 A.人口容量是指目前地球上所有的人口数 B.人口容量具有不确定性,是因为人口不断增长造成的 C.正确估计人口容量,有利于合理利用资源和保护环境 D.当全球人口约为100亿时,人们的生活水平将大为降低 答案:C
We saw several natives advancing towards our party, and one of them came up to us, ________ we gave some bells and glasses.
[ ]
A.
to which
B.
to whom
C.
with whom
D.
with which