【单选题】What does the phrase to pan out mean?
A.
To prove to be a success
B.
To prove to be a failure.
C.
To prove to be a challenge
D.
To prove to be a bad idea
【判断题】通过细晶强化既能提高金属的强度,又能提高其韧性的手段 。
【单选题】What should you do if you find a pan of oil catches fire?
A.
Turn off the gas and pour some water into the pan
B.
Turn off the gas and cover the pan as quickly as possible
C.
Turn on the light as quickly as possible
【单选题】为可溶性颗粒剂优良赋形剂,并有矫味和粘合作用() *
【单选题】下列关于各类特殊儿童说法,错误的是( )
A.
智力超常儿童一般具有惊人的记忆力、敏捷的思维能力和较好的语言能力
【简答题】既能提高金属的强度,又能提高其韧性的手段是[ ] 。
【单选题】既能提高金属的强度,又能提高其韧性的手段是[ ] 。
【简答题】既能提高金属的强度,又能提高其韧性的手段是[填空1] 。A. 细晶强化
【简答题】________是自主学习之后的课堂组织形式的必然选择,也是翻转课堂能否成功的关键。