成囊
参考答案:
原虫滋养体在遇到不利的环境后,形态逐渐变圆,并且分泌囊壁,进入包囊阶段的过程。
His name is Barack Hussein Obama. Obama is his ___________.[ ]
A. first name
B. family name
C. given name
D. full name
交通银行世博信用卡有什么特色?