球针壳属
参考答案：
附属丝基部膨大为半球形，顶端呈针状。闭囊壳内多个子囊。“梨树白粉病”“桃树白粉病”
I was not quite sure __________.
A．what is she looking for
B．why she came late for school
C．how did she deal with the problem
D．if she has arrived
如果将平地机放臵在露天或不平整的场地上，最好用垫木将平地机架起，以使轮胎减载，然后降低路轮胎气压，并将轮胎遮挡起来，避免阳光直接照射。（）
