小麦条锈病菌在我国是否存在转主寄主？以什么孢子完成生活史？
参考答案：
小麦条锈菌迄今尚未发现有性态，故锈孢子和性孢子不详。夏孢子单胞完成生活史
He stood there dumfounded without daring _______ his head as a consequence of his wrong action. [ ]
A. lift
B. to lift
C. turn
D. to rise
Miss Zhang, the most beautiful teacher, __________ many flowers and letters these days. [ ]
A. received
B. will receive
C. was receiving
D. has received
