双晶轴
参考答案:
假想直线,双晶中一单体围绕它旋转一定角度后,可与另一个单体重合或平行。
It is Saturday. It is also Ann’s birthday. She wants to 小题1: a birthday party at home this evening.
Yesterday Ann 小题2: Kate. She invited(邀请) Kate to 小题3: birthday party. Ann and Kate 小题4: good friends. Kate was happy to go to her party. She wanted to give(给) Ann a 小题5: . So 小题6: the phone , Kate thought “What gift can I give Ann?” Then she had an idea. She knew Ann liked flowers very 小题7:. She decided to buy her some 小题8:.
It’s five o’clock now. Kate is in a flower 小题9:. The shopkeeper is packing(包装) her gift. She is going to Ann’s house. It’s a little far. She wanted to go there by 小题10:
纤维素样坏死物内不含有:
A.以上都不是
B.类脂质
C.崩解胶原纤维
D.纤维蛋白
E.免疫球蛋白