— I suggest buying her a Teddy Bear for her birthday. —_____someone else brings the same present?
A:If
B:What
C:What if
D:How about
设a、b、c为平面上三条不同直线,
(1)若a∥b,b∥c,则a与c的位置关系是____ ;
(2)若a⊥b,b⊥c,则a与c的位置关系是____ .
解释下列加线的词语。
①不知何许人也 ____ ②每有会意,便欣然忘食____ ③亲旧知其如此____ ④环堵萧然 ____ ⑤箪瓢屡空 ____ ⑥短褐穿结 ____ ⑦晏如也 ____