7. Studies have shown that heat and dehydration can contribute to increased mortality rates during hot weather. Mortality increases sharply during heat waves, mostly because people don't drink enough to_________for their increased fluid losses.
(A) expand
(C) strengthen
(B) extend
(D) compensate
答案:登入後查看
統計: 尚無統計資料
統計: 尚無統計資料