【单选题】Fuel oil tanks must be fitted with () that can be closed rapidly and remotely in the event of an emergency such as a fire.
【单选题】What is the earliest workon food therapy in China?
A.
The Yellow Emperor's Classic of Internal Medicine
B.
Compendium of Materia Medica
D.
Shennong Tastes a Hundred Grasses
【单选题】What is the earliest form of Chinese opera?
【单选题】确诊为葡萄胎的病人,首先选择的治疗方案是()。
【单选题】为了促进学校教育教学工作的提升和进步,某小学组织骨干教师去本市著名的示范校听取优秀教师的公开课,从而了解最新的教学理念,取长补短,弥补自身的不足。这种教学反思的方法属于()。
【单选题】What is the earliest recorded use of windmills?
A.
Generating electricity
【单选题】What is the earliest time that readers can read the Post every week?
【单选题】当发动机转速一定,负荷增加时( )
A.
汽油机的残余废气系数增加,柴油机的残余废气系数增加
B.
汽油机的残余废气系数增加,柴油机的残余系数减小
C.
汽油机的残余废气系数减小,柴油机的残余废气系数基本不变
D.
汽油机的残余废气系数减小,柴油机的残余废气系数增加