下列需要配置两块后插板的有()。
A.UIMU;
B.CLKG;
C.CHUB;
D.ROMB
参考答案:A, B, C
根据句意,汉语提示及首字母完成句子。
1. His favorite subject is social s_____.
2. My uncle knows about _____ ( 不同的) countries of the world.
3. She loves to _____ ( 旅行).
4. Li Lei is i_____ in Chinese.
5. The funny elephant is so i_____.
怎样测定母液酸度?