The author raises issues that would most concern which of the following groups
A. Electricians.
B. Environmentalists.
C. Aviators.
D. Teachers.
查看答案
使用单光疗箱时，为使患儿皮肤均匀受热，更换体位时间是
A. 每1h一次
B. 每2h一次
C. 每3h一次
D. 每4h一次
E. 每5h一次
以下有助于区别血管内溶血和血管外溶血的检查是
A. 血红蛋白
B. 网织红细胞计数
C. 血红蛋向尿
D. 血清游离胆红素
对非突触性化学传递的描述不正确的是
A. 不存在突触结构
B. 与效应器距离大
C. 作用时间长
D. 传递存在一对一的关系
According to the passage, what is one disadvantage of skyscrapers that have mirrored walls
A. The exterior surrounding air is heated.
B. The windows must be cleaned daily.
Construction time is increased.
D. Extra air-conditioning equipment is neede
微信支付 
支付宝支付