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【简答题】
简述利用雄性不育系进行的三系法制种程序。( 6 分)
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皮皮学刷刷变学霸
举一反三
【单选题】After a busy day of work and play, the body needs to rest. Sleep is necessary for good health. This passage suggests that not getting enough sleep might make you____.
A.
dream more often
B.
have poor health
C.
nervous
D.
breathe quickly
【单选题】We have to _____(参加) training after a busy day and during the weekend.
A.
participate to
B.
participant in
C.
participation in
D.
participate in
【单选题】After the busy day I’ve had, I need a_____drink.
A.
heavy
B.
sharp
C.
strong
D.
powerful
【简答题】林黛玉前身是西方灵河岸边一棵绛珠草,被赤霞宫( )以甘露灌溉,修成个女儿身。
【单选题】After a busy day at work, Janet was finally able to _____ in front of the TV.
A.
consult
B.
act
C.
attempt
D.
relax
【简答题】电流互感器一次绕组的匝数 (多、少),二次绕组的匝数 (多、少)。
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