Question

【題目】Bears_____ fat stores throughout the summer and fall to have energy enough to last them through their winter sleep.
A.pack up
B.build up
C.bring up
D.take up

Answer 1

【答案】B
【解析】句意：熊在夏秋季節存儲脂肪，保存足夠的能量以度過冬眠。A. pack up”打包“；B.build up”逐步增加，增強“； C.bring up”撫養， 嘔吐“； D.take up”占據， 舉起 ，開始從事“。根據句意，選B。