皮皮学，免费搜题
登录
搜题
【多选题】
（ ）是钢筋焊接连接的形式。A.
气压焊
B.
机械连接
C.
电渣压力焊
D.
闪光对焊
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】化学专业词汇汉译英:氧化还原反应
【单选题】What does paragraph 3 mainly talk about? 查看材料
A.
Different effects of caffeinated coffee and decaf on sleep.
B.
Different findings of Lotan Shilo and ateam about caffeine.
C.
The fact that the subjects slept 415 tninutes per night after drinking decaf.
D.
The proof that the subjects took half an hour to fall asleep.
【简答题】What does Paragraph 3 mainly tell us? (No more than 10 words)
【简答题】What does Paragraph 3 predict ?
【单选题】What does paragraph 3mainly discuss?
A.
Different effects of caffeinated coffeeand decaf on sleep.
B.
Lotan Shilo's research design on sleep.
C.
What the subjects did after drinking decafat night.
D.
Why some subjects took half an hour toall asleep.
相关题目：