【单选题】下列关于四环素类抗菌药物说法错误的是()
B.
对大多数革兰阳性菌与阴性菌具一定抗菌作用,而且对厌氧菌、立克次体、支原体、衣原体、螺旋体和某些原虫也有良好作用
C.
能广泛分布于各组织与体液中,并储存在肝、脾、骨、牙齿中
【单选题】PART 4 Read the text and questions below. For each question, mark the letter next to the correct answer —A, B, C or D —on your answer sheet. Orbis is an organisation which helps blind people everywher...
A.
to describe a dangerous trip
B.
to report a patient's cure
C.
to explain how sight can be lost
D.
to warn against playing with sticks
【单选题】PART 4 Read the text and questions below. For each question, mark the letter next to the correct answer —A, B, C or D —on your answer sheet. If you want to take the whole family on holiday, and keep e...
A.
to give her opinion of the holiday village
B.
to describe what her family did at the holiday village
C.
to give advice to a friend going to the holiday village
D.
to complain about the holiday village
【单选题】一般认为,世界上第一台真正意义上的数字电子计算机诞生于( )。
【单选题】— You are smoking at work again! — Sorry! I promise this is the last time I _____. [ ]
【简答题】Please don’t tell anybody. I___,I promise.
【单选题】----The clothes I received are not the same as shown online. -----_________? But I promise we will see to it right away.
【单选题】在防治人感染H7N9禽流感中,发现有一剂抗禽流感病毒的中药存在以下四种有机物,则下列有关说法正确的是:
D.
各1mol上述四种物质与足量氢氧化钠溶液反应,消耗氢氧化钠最多的是亮菌甲素
【单选题】世界上第一台真正意义上的计算机诞生于( )。