【简答题】课文P27开始—P28第13行,段落抄写翻译
【简答题】Revise the underlined part: The dictionary can be used for these purposes: to find word meanings , pronunciations , correct spellings , and looking up irregular verbs . Revision: The dictionary can be...
【判断题】Word meanings can be divided into two types,namely, referential meanings.
【简答题】 最大功率传输定理说明,当电源电压U S 和其串联的内阻R S 不变时,负载R L 可变,则R L ( )R S 时,R L 可获得最大功率为 P max = ( ) ,称为 ( )。
【判断题】The conventionalized meanings can be the essential nature of the things that words denote, for example, the word flower refers to something beautiful.
【多选题】关于免疫球蛋白的基本结构,以下说法正确的有:
C.
胃蛋白酶用于精制抗毒素,和未精制的抗毒素相比,可完全消除超敏反应
E.
五聚体IgM是靠连接链(J链)在羧基端把单体连接起来的
【单选题】finish exercises on p27 and p28: error correction and translation.
B.
sorry, I didn't do it.
【单选题】About Heroes The word hero can be confusing, for it has several meanings. It is often applied to ordinary people who happen to perform. an act of great courage—a fireman who saves someone from a burni...
【多选题】胃的结构以下说法正确的是 ( )
B.
胃粘膜有一个个的隆起叫胃区,胃区上有胃腺的开口,胃腺能分泌胃液
C.
肌织膜层较发达,由三层平滑肌构成 ,分别是外纵、中环、内斜三层。
D.
胃粘膜有一个个的隆起叫胃区,胃区上有胃腺的开口
【单选题】以下关于胃肠道的一级结构说法正确的是( )