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刷刷题刷刷变学霸
举一反三
【单选题】There are approximately three quarters of a ton of termites (白蚁) for every person on Earth. It now turns out that these critters may be helping to alter the climate and affect man’s life. For years sc...
A.
It is the production by termites that is now of greater concern.
B.
What scientists worry more about is the output from burning fuels.
C.
The output from burning fuels is now rising steadily.
D.
The burning of fuels generates much less carbon dioxide than termites do.
【单选题】There are approximately three quarters of a ton of termites (白蚁) for every person on Earth. It now turns out that these critters may be helping to alter the climate and affect man's life. For years sc...
A.
low temperatures are created by using a house
B.
the house is made green in order to keep heat
C.
heat is pred from escaping outside
D.
everything is kept green in a house
相关题目：
【单选题】There are approximately three quarters of a ton of termites (白蚁) for every person on Earth. It now turns out that these critters may be helping to alter the climate and affect man’s life. For years sc...
A.
It is the production by termites that is now of greater concern.
B.
What scientists worry more about is the output from burning fuels.
C.
The output from burning fuels is now rising steadily.
D.
The burning of fuels generates much less carbon dioxide than termites do.
【单选题】RS－S－02型扩音机可分( )。
A.
9区
B.
10区
C.
12区
D.
15区
【单选题】灭治散白蚁一般选用的剂型（）
A.
粉剂
B.
颗粒剂
C.
液剂
D.
烟剂
【判断题】白蚁和蚂蚁在分类上均属于膜翅目。
A.
正确
B.
错误
【单选题】白蚁属于( )。
A.
直翅目
B.
膜翅目
C.
等翅目
D.
革翅目
【单选题】无复眼的白蚁为（）。
A.
大翅型繁殖蚁
B.
短翅型繁殖蚁
C.
无翅型繁殖蚁
D.
工蚁
【单选题】白蚁修筑在木构件上的纷飞孔多呈（）。
A.
肾型
B.
颗粒状
C.
梅花状
D.
长条状
【单选题】There are approximately three quarters of a ton of termites (白蚁) for every person on Earth. It now turns out that these critters may be helping to alter the climate and affect man's life. For years sc...
A.
low temperatures are created by using a house
B.
the house is made green in order to keep heat
C.
heat is pred from escaping outside
D.
everything is kept green in a house
【单选题】白蚁的天敌很多，土垄白蚁和土栖白蚁的主要天敌是（）
A.
燕子
B.
麻雀
C.
穿山甲
D.
蟾蜍
【多选题】按成因节理可分 ( )。
A.
原生节理
B.
构造节理
C.
倾向节理
D.
次生节理
【单选题】白蚁身躯可分为（）
A.
头部、合胸腹部两部分
B.
头、胸、腹三大部分
C.
头胸部、腹部两部分
D.
假头、胸、腹部三大部分
【多选题】卵巢可分泌（）。
A.
雌激素
B.
孕激素
C.
雄激素
D.
黄体生成素
E.
促卵泡素
【多选题】电梯按拖动方式可（）分类。
A.
交流双速电梯
B.
交流调频调压调速电梯
C.
直流电梯
D.
液压电梯
【单选题】船员培训可分几类？（）
A.
A、2
B.
B、3
C.
C、4
D.
D、5
【多选题】射孔枪中的点火系统可分成三类( )
A.
电子激发型
B.
地面点火型
C.
压力激发型
D.
机械激发型