2. 外语
  3. Calcium is (essential) for (blood)clotting, for the action of (certain)enzymes, and for the normal contraction and (relax) of mu

Calcium is (essential) for (blood)clotting, for the action of (certain)enzymes, and for the normal contraction and (relax) of mu

admin2005-01-30  42
问题 Calcium is (essential) for (blood)clotting, for the action of (certain)enzymes, and for the normal contraction and (relax) of muscles.
选项 A、essential
B、blood
C、certain
D、relax
答案D
解析
转载请注明原文地址:https://kaotiyun.com/show/anyO777K
0

托福（TOEFL）

相关试题推荐
随机试题
最新回复(0)