更多"In order to culture and propagate e"的相关试题:
[单项选择]When anaerobic bacteria convert the sewage to an inert sludge,（）
A. no oxygen is needed
B. oxygen is necessary
C. oxygen is given off
D. no gas is produced
[名词解释]无土栽培 soiless culture
[单项选择]Bacteria which live are said to be aerobic（）
A. in the presence of oxygen
B. without oxygen
C. in the presence of nutrition
D. without nutrition
[名词解释]完全培养液 complete culture solution
[单项选择]Two thousand dollars（）enough for the car
A. being
B. were
C. are
D. is
[单项选择]A fire main system must have enough fire hydrants so that each accessible space may be sprayed with（）.
A. a low velocity spray applicator
B. a water spray or solid stream
C. at least two spray patterns of water
D. at least 25 psi delivered pressure
[单项选择]与英文Culture对译的汉语是（）
A. 文学
B. 文章
C. 文化
D. 精神文明
[名词解释]缺素培养液 culture solution of element deficient
[单项选择]Earning enough money to support his family is a high（）
A. emergency
B. stuff
C. priority
D. rage
[单项选择]If the temperature drops low enough, oil will not flow, （） just tell us the temperature.
A. Hash point
B. Viscosity
C. Pour point
D. Cetane number
[单项选择]The bedplate must be rigid enough to support the weight of the rest of the engine, and maintain the crankshaft, which sits in the bearing housings in the （）, in alignment.
A. longitudinal girders
B. transverse girders
C. fore girders
D. aft girders
[单项选择]Yet a euphoric approach to business is（）enough.
A. by all means
B. by means of
C. by no means
D. by means for
[单项选择]It is very important that enough money （）to found the project.
A. be collected
B. must be collected
C. is collected
D. can be collected
[单项选择]Two days is not enough for him to finish the work．He needs（）day.
A. other
B. the other
C. the third
D. a third
[单项选择]（）come the space is not enough for loading the cargo?
A. Why
B. How
C. When
D. What
[单项选择]This piece of （） is long enough for you to make a shirt.
A. cloth
B. clothes
C. clothing
D. suit
