_______ food have been sent to the disas

题型:选择题

问题:

_______ food have been sent to the disaster area to help the people who lost their homes.

A.Large quantities of

B.A great deal of

C.A great many  

D.A large amount of

考点:可数名词及其单复数动名词表语从句缩写与简写
题型:选择题

Tom was running out of time in the exam, but there still remained several questions_________.

A. to be answered      B. to answer         C. answered        D answering

题型:选择题

Levey-Jennings质控图的优点是:()

A.简便易行,在均值和标准差已知后,它允许直接在图上画出单个质控测定值

B.没有假失控率

C.对误差识别特异性高

D.是最精确的质控方法

题型:选择题

在面向对象方法中, 【2】 描述的是具有相似属性与操作的二组对象。

题型:选择题

气体灭火系统储存容器内的压力,气动型驱动装置的气动源的压力均不得小于设计压力的()%。

A.50

B.60

C.80

D.90

题型:选择题

下列哪种结构没有硬脑膜()

A.小脑幕

B.大脑镰

C.鞍隔

D.四脑室

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