What's Norman's announcement?
A. He is going to meet a woman called Diane.
B. He is now dating another woman.
查看答案
Why does Brad love learning but hate reading?
A. Because it's hard for him to concentrate.
Because he is weak in reading comprehension
What do we know from the conversation?
A. The teacher has had enough of Brad's strange behavior.
B. The teacher is making fun of Brad's behavior.
轴力图应包含（）
A. 轴力大小
B. 轴力正负
C. 轴力单位
D. 轴力方向
在周期表中金属元素与非金属元素分界线附近能找到
A. 制农药的元素
B. 制半导体的元素
C. 制催化剂的元素
D. 制耐高温的合金材料的元素
微信支付 
支付宝支付