【单选题】在中国,栽桑养蚕、制作丝绸是一个历史传统,种植的桑树上可能会有转基因作物花粉飘落,因此转基因作物的花粉对家蚕的影响是必须要评价的,而在美国这样的问题不会存在,因此不需评价。请问此处遵循了转基因生物安全性评价原则中的( )?
【简答题】It is reported that four people were seriously injured in the accident. (report)
【单选题】Not only ______ polluted, but ______ crowded.
A.
was the city, were the streets
B.
the city was, the streets were
C.
was the city, the streets were
D.
the city was, the streets were
【单选题】某工程双代号时标网络计划如下图所示,根据第6周末实际进度检查结果绘制的前锋线如点画线所示。通过比较可以看出( )。
【简答题】It is difficult for doctors to help a person with a damaged brain. Without enough blood, the brain lives for only three to five minutes. More often the doctors can' t fix the damage. Sometimes they ar...
【单选题】Sorry, we’ve sold out the shoes in your size.
【单选题】听力原文:What were the husband and wife doing? (10)
A.
They were having a joke.
B.
They were washing the dishes.
C.
They were running for the first who will not wash the dishes.
D.
They were running for the first who will wash the dishes.
【单选题】在中国,栽桑养蚕、制作丝绸是一个历史传统,种植的桑树上可能会有转基因作物花粉飘落,因此转基因作物的花粉对家蚕的影响是必须要评价的,而在美国这样的问题不会存在,因此不需评价,请问此处遵循了转基因生物安全性评价原则中的( )评价原则?
【单选题】对于Cushing综合征的错误描述是()
A.
Cushing综合征依病因分为垂体性、异位性和肾上腺性
B.
肾上腺性Cushing综合征反馈造成非肿瘤部位肾上腺萎缩,其他原因Cushing综合征造成双侧肾上腺增生
D.
典型症状为向心性肥胖、满月脸、皮肤紫纹、高血压等
E.
实验室检查,血、尿皮质醇减低;垂体性、异位性者血中ACTH升高而肾上腺性者ACTH降低
【多选题】依赖ACTH的Cushing综合征包括()