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【单选题】
通过 x 轴,且垂直于平面 的平面方程为:
A.
z-2y=0
B.
y-2z=0
C.
x-2z=0
D.
z-2x=0
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【多选题】引起作物损失的害虫有()
A.
昆虫
B.
螨类
C.
软体动物
D.
部分软体动物
【单选题】Which of the following is NOT true about home schooling?
A.
Home schooling is better than traditional school structure.
B.
The children receiving home schooling may lack the ability ot socialize well.
C.
A single teacher doesn't have to look after 20 to 30 students.
D.
Home schooling doesn't have as many resources as a school setting.
【单选题】在图书管理系统中,图书与读者之间是( )。
A.
一对一关系
B.
多对一关系
C.
多对多关系
D.
一对多关系
【单选题】"Chinese billionaire Jack Ma has donated medical supplies to various African countries through the Jack Ma Foundation and Alibaba Foundation ." In this sentence, the word "foundation" means ______.
A.
the solid underground base of a building
B.
a principle, an idea or a fact that sth is based on and that it grows from
C.
an organization that is established to provide money for a particular purpose
D.
the act of starting a new institution or organization
【判断题】软体动物是低等动物的一门,身体柔软,不分节;因为大多数软体动物都有贝壳,顾又称其为贝类。
A.
正确
B.
错误
【单选题】The best title of this text might be______.
A.
Home-schooling : A Growing Trend
B.
Home-schooling : A Better Choice
C.
Home-schooling: A Way to Success
D.
Home-schooling: A New Method of Education
【单选题】关于他汀类降脂药的叙述,哪一项是错误的
A.
孕妇、胆汁郁积及活动性肝病者宜用
B.
降低低密度脂蛋白的作用最强
C.
临床常用药有:洛伐他汀、辛伐他汀、普伐他汀等
D.
是目前临床上应用最广泛的一类降脂药
【单选题】The word "verandah" in the interview most likely means ______
A.
a window through which one can look into the garden
B.
a special type of bedroom
C.
an open area with a floor and a roof that is built on the side of house
D.
a kitchen separate from the main building
【单选题】What does the word "momentum" mean in the following sentence? In order to achieve growth, continue learning, and achieve momentum in your career you must assess your situation and your goals frequentl...
A.
the force that makes a moving object keep moving
B.
a building, statue, or other large structure built to remind people of an important event or famous person
C.
the ability to keep increasing, developing, or being more successful
D.
very important and influential
【单选题】下列有关软体动物叙述不正确的是( )
A.
多数软体动物为雌雄异体,少数为雌雄同体
B.
牡蛎等生物存在性反转现象,其性别随环境改变而改变
C.
其产卵和发育分为卵囊或卵块内发育、水中发育两种
D.
软体动物多数精子是鞭毛型,卵子一般是椭圆形和梨形
E.
多数软体动物是体外受精
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