如所图示，隐孢子虫的生活史中无下列哪种形态()
A．卵囊
B．孢子囊
C．滋养体
D．裂殖体
E．配子体
参考答案：B
测深（斜深）
Annie Jump Cannon, ________ discovered so many stars that she was called "the census taker of the sky".
A．a leading astronomer,
B．who, as a leading astronomer,
C．was a leading astronomer,
D．a leading astronomer who
