【判断题】PMC输入信号的连接有漏型输入、源型输入两种
【单选题】为了保持菌种的纯净,需要进行菌种的保藏,下列有关叙述不正确的是( )
B.
临时保藏的菌种一般是接种到试管的斜面培养基上
D.
对于需要长期保存的菌种,可以采用低温-4℃保藏的方法
【单选题】吴语区的权威方言由苏州话变为上海话说明( )
【判断题】国际货物买卖合同中数量条款必须 规定数量机动幅度。
【多选题】According to the professor, what is the relation between the mass and the lifetime of a star? [Clink on 2 answers.]
A.
The more massive, the longer-lived.
B.
The more massive, the shorter-lived.
C.
The less massive, the longer-lived.
D.
The less massive, the shorter-lived.
【多选题】中国共产党同各民主党派发展关系要遵循的原则是 。
【简答题】I have lived here for more than a year.英译汉
【单选题】I knew who lived here.