【单选题】-- Tom has made great progress. -- _______, and _______.
A.
So he has, so you have
B.
So he has, so have you
C.
So has he, so have you
D.
So has he, so you have
【多选题】巴戟天的性状特征为
B.
表面灰黄色,具纵纹及横裂纹,有的外皮横向断离露出木部,形似连珠
C.
质坚韧,断面皮部厚,紫色或淡紫色,易与木部剥离
【单选题】I ____ Tom has made a mistake
【判断题】一定社会现象,总是在一定时间、空间发生的。因此,实地观察要注意选择最佳观察时间和最佳观察场合。
【单选题】简单算术平均数可以说是( )的一种特例:
【单选题】一呈扁圆柱形药材,外皮有横向断裂而露出木部,形似连珠状,此药材最有可能的是
【单选题】Tom has made great progress in his studies. _____,we are confident that he will pass the coming entrance examinations. [ ]