粪大肠菌群检验是将所有产气的乳糖胆盐发酵管培养物转种于()培养基。
A.乳糖发酵管
B.葡萄糖发酵管
C.EC肉汤管
D.蛋白胨水管
参考答案:C
阅读对话,判断正(T)误(F)。
Grandma: Get up, Tom!
Tom: What's the time?
Grandma: It's seven o'clock now time to get up.
Tom: No.
Grandma: Get up, or you will be late.
Tom: We have no school today.
Grandma: Oh, my god. It's Saturday.
( )1. Today is Sunday.
( )2. It's seven now.
( )3. Tom goes to school today.
( )4. Tom is late for school today.
( )5. Tom's grandma is forgetful (健忘的) .
下列属于实行施工平行承发包对建设工程项目进度控制影响的缺点是( )。
A.业主要负责对所有承包商的管理及组织协调,承担类似于总承包管理的角色,工作量大,对业主不利
B.合同交界面比较多,应非常重视各合同之间界面的定义,否则对质量控制不利
C.由于要进行多次招标,业主用于招标的时间较多
D.业主要负责对多个施工承包合同的跟踪管理,工作量较大