【判断题】保温隔热方式:指内保温、外保温、夹心保温。
【单选题】According to the text, what can be learned about geoengineering?
A.
Its inspiration comes from the effect of methadone on a heroin addict.
B.
People hold divided views about this immature technology.
C.
Its feasibility lacks sufficient evidence nowadays.
D.
It has a disadvantageous effect on our ozone level.
【单选题】电喇叭在触点间并联了电容,以下选项哪个不是并联电容的原因
【判断题】保温隔热方式:指保温、外保温、夹心保温。
【单选题】It can be learned from Paragraph 6 that American teachers
A.
do not have chances to learn from each other.
B.
value individual competence more than team work.
C.
are not well-trained and qualified.
D.
have a too heavy workload comparing with their counterparts in Asia.
【单选题】软件分为绿色软件和非绿色软件,非绿色软件是指带有病毒的软件。
【单选题】单片机内部数据之所以用二进制形式表示,主要是