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【简答题】
镰刀菌毒素同黄曲霉毒素一样被看作是自然发生的最危险的食品污染物，目前已发现有十几种，其毒性和对粮食的污染各有其特点下列属于孢霉烯族化合物的霉菌毒素是A、T-2毒素 B、丁烯酸内酯 C、玉米赤霉烯酮 D、菌素 E、3-硝基丙酸 具有类雌激素样作用的镰刀菌毒素是A、T-2毒素 B、丁烯酸内酯 C、玉米赤霉烯酮 D、二醋酸藨草镰刀菌烯醇 E、脱氧雪腐镰刀菌烯醇 引起赤霉病麦中毒的主要镰刀菌毒素是A、T-2毒素 B、菌素 C、丁烯酸内酯 D、玉米赤霉烯酮 E、脱氧雪腐镰刀菌烯醇 我国已制定了小麦、玉米及其制品中限量标准的镰刀菌毒素是A、菌素 B、T-2毒素 C、雪腐镰刀菌烯醇 D、玉米赤霉烯酮 E、脱氧雪腐镰刀菌烯醇
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【单选题】—Why didn’t you go to the cinema with us yesterday evening? —I________for my uncle from Beijing at the station.
A.
was waiting
B.
am waiting
C.
will wait
D.
waited
【单选题】It took Andy two hours ____ his homework yesterday evening and I spent ____ mine. [ ]
A.
doing; less time finishing
B.
doing; more time to finish
C.
to do; more time to finish
D.
to do; less time finishing
【单选题】Do you know why John didn' t ______ at the party yesterday evening?
A.
show off
B.
show down
C.
show up
D.
show in
【简答题】简述《指南》提出的幼儿社会领域学习的指导要点
【单选题】Jane: What were you doing when I phoned you yesterday evening? Kate: I just finished my homework and t o watch TV.
A.
have; am going
B.
have; was going
C.
had; am going
D.
had; was going
【单选题】- Sam, I called you yesterday evening, but no one answered. - Oh, sorry. I _______ a shower at that time. [ ]
A.
took
B.
am taking
C.
take
D.
was taking
【单选题】I hear the children have problems ______ the zoo. [ ]
A.
to get to
B.
to getting
C.
getting to
D.
getting at
【单选题】My father _______ at eight o’clock yesterday evening.
A.
watched TV C. is watching TV
B.
was watching TV D. watches TV
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