【名词&注释】
城乡居民(urban and rural residents)、物价水平(price level)、相互影响(interaction)、叶绿体(chloroplast)、控制中心(control center)、耐用消费品(durable consumer goods)、购买力(purchasing power)、可支配收入(disposable income)、细胞器(organelle)、寻常百姓家
[单选题]细胞内有细胞活动的“控制中心”之称的是( )。
A. 细胞器(organelle)
B. 细胞核
C. 细胞质
D. 叶绿体
查看答案&解析
举一反三：
[单选题]To improve the quality of our products ,we asks for suggestions _______had used the products.
A. whoever
B. who
C. whichever
D. which
[单选题]I walked slowly through the market, where people all kinds of fruits and vegetables.I studied the prices carefully and bought what I needed.
A. sell
B. were selling
C. had sold
D. have sold
[单选题]Liquid semiconductor is used to _________.
A. get rid of the radioactive waste
B. test the power of nuclear batteries.
C. decrease the size of nuclear batteries
D. reduce the damage to lattice structure.
[单选题]
A. behaviour
B. evaluation
C. activity
D. thought
[单选题]Which of the following is the best title for the passage?
A. A Winner’s Secret.
B. A Winner’s Problem.
C. A Winner’s Opportunity.
D. A Winner’s Achievement.
[单选题]叶和芽的发生为( )。
A. 内起源
B. 外起源
C. 内始式
D. 外始式
[单选题]柑橘(桔)属常见种的鉴别特征之一是( )。
A. 有无茎刺
B. 是否为单身复叶
C. 有无花盘
D. 叶轴翅有或无，宽或窄
[单选题]
A. praise
B. produce
C. include
D. accept
[单选题]随着我国城乡居民人均可支配收入(disposable income)的增加，一直被视为高档耐用消费品的轿车正悄然走进寻常百姓家。这说明
A. 收入是消费的基础和前提 B．消费拉动经济增长
B. 物价水平影响人们的购买力(purchasing power) D．生产与消费相互影响
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