平针组织的编织机器主要是台车,台车一般有()个成圈系统。
A.1~5
B.3~8
C.8~24
D.没有常见的范围
参考答案:B
In fact, most people in some developed countries are ___ than they were two years ago because of the global financial crisis.
A.poorer off
B.badly off
C.worse off
D.richer off
以下哪种不属于癌前病变()
A.白斑
B.口腔扁平苔藓
C.口腔黏膜下纤维性变
D.盘状红斑狼疮
E.着色性干皮病