卵期

题型:名词解释

问题:

卵期

考点:农学植物保护技术植物保护技术题库
题型:名词解释

关于二元制冷压缩机出温度高的原因,下列说法错误的是()。

A、吸入温度高

B、吸入温度低

C、出口压力高

D、氢气甲烷过多

题型:名词解释
The famous writer is now working on a book _____ title is The Ship Buried at the Bottom of the Sea.
A. its
B. of which
C. whose
D. which
题型:名词解释

It is in that primary school ________ Mary once studied for six years that she will build a library,________ delights all the students and teachers in the school.

A.where;that

B.that;that

C.that;which

D.where;which

题型:名词解释

下列具有抗炎作用的有效成分,错误的是()

A.硫酸钠

B.小檗碱

C.鱼腥草素

D.绿原酸

E.苦参碱

题型:名词解释

两根绳子,长的一段是24米,短的一段是18米。两根都截去相同长度的一段后,长的绳子的长度是短绳子长度的4倍。剪短后,长的绳子有多少米( )

A.6米

B.2米

C.8米

D.4米

更多题库