【单选题】Which event happened FIRST in the article?
A.
Lightsaber was practiced in France.
B.
Lightsaber was practiced in the United States.
C.
The FFE made lightsaber into an official sport.
D.
The FFE created its own lightsaber school.
【多选题】关于Ig的叙述,下列哪些是正确的:
A.
Ig单体由2条相同的H链和2条相同的L链组成
C.
H链因C区抗原性不同分为γ、δ、μ、ε、α五种
【单选题】Which event happened FIRST in the article?
A.
The Merciers raised money to buy stuffed animals.
B.
Andrew got a stuffed animal named Dookie.
C.
Sara Barber helped put together the first animal.
D.
The Merciers got fart machines from a toy company.
【多选题】关于Ig的叙述,正确的是
A.
Ig单体由2条相同的H链和2条相同的L链组成
C.
H链因C区抗原性不同可分为γ、μ、α、δ、ε
【判断题】高中时期是人的生理和心理趋于成熟的时期。
【多选题】下列关于Ig的叙述,正确的是
A.
Ig单体由两条相同的H链和2条相同的L链组成
C.
H链因C区抗原性不同分为γ、δ、α、ε、μ五种
【单选题】从迁移的观点来看,“温故而知新”属于( )。
【单选题】Which event happened first in the article?
A.
Jeff Imel hired someone to create women toy soldiers.
B.
Jeff Imel started thinking about making women toy soldiers.
C.
JoAnn Ortloff called BMC Toys.
D.
Vivian Lord wrote a letter to BMC Toys.
【多选题】关于 Ig 的叙述, 下列哪 些 是 正确 的 ?
A.
Ig 单体由 2 条相同的 H 链和 2 条相同的 L 链组成