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【简答题】
网络层提供的服务主要有哪两类:( )和( )
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参考答案:
举一反三
【多选题】属于实际交货性质的贸易术语是( )
A.
EXW
B.
CFR
C.
D DP
D.
DDU
E.
DES
【单选题】Directions: Compare the following sentences and choose those in which the underlined idea is emphasized.
A.
The boys reluctantly left the playground.
B.
The boys left the playground reluctantly .
【多选题】属于实际交货性质的贸易术语是( )
A.
EXW
B.
CFR
C.
DDP
D.
DDU
E.
DAP
【单选题】具有免疫记忆作用的细胞是( )
A.
B1细胞
B.
B2细胞
C.
胸腺细胞
D.
NK细胞
E.
以上均不是
【多选题】属于实际交货性质的贸易术语是()
A.
DDP
B.
CPT
C.
DAP
D.
EXW
【简答题】下图为氢标准电极,玻管内装的是硫酸溶液, H 2 从下端通入,上端流出;的另一端 与待测电极连接。氢标准电极是这样规定的: 1 硫酸溶液中 c (H + ) = ( 1 ) mol · L - 1 (保留一位小数) 2 吹出的 H 2 在金属铂片上形成饱和气流,在玻管内有压强 p = ( 2 ) KPa 3 体系的温度 T = ( 3 ) K (整数) 4 E θ (H + /H 2 ) = ( ...
【单选题】Directions: Compare the following sentences and choose those in which the underlined idea is emphasized.
A.
That a single man with a good fortune must want a wife is a truth universally acknowledged.
B.
It is a truth universally acknowledged that a single man with a good fortune must want a wife .
【单选题】Directions: Compare the following sentences and choose those in which the underlined idea is emphasized.
A.
I saw a cat in the garden yesterday.
B.
In the garden yesterday I saw a cat .
【多选题】胸腺依赖性抗原的特点是 ( )
A.
抗体类型为IgG
B.
不引起细胞免疫
C.
免疫原性较强
D.
能诱导免疫记忆
E.
具有佐剂作用
【多选题】属于实际交货性质的贸易术语是( )
A.
FOB
B.
EXW
C.
CFR
D.
CIF
E.
DDP
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