下列无动力的细菌有（） A.大肠埃希菌 B.伤寒沙门菌 C.痢疾志_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题多项选择题 X型题

下列无动力的细菌有（）

A.大肠埃希菌

B.伤寒沙门菌

C.痢疾志贺菌

D.阴沟肠杆菌

E.肺炎克雷伯菌

答案

参考答案：C, E

阅读理解

阅读理解。

Part-time Cleaning Help
Are you looking for a vacation job? Can you clean the house and cook? Then, I need you.
The work is boring, but the pay is good. I need you from 2:00 pm-5:00 pm, Monday to
Saturday. Please come to the cleaning center or call Mrs. Johnson at 544-9968.

                  A Fitness Camp
                For Overweight Kids
     Are you too fat? Can you run as fast as your
classmates? Have you failed your PE examination?
     Our fitness camp can help you lose weight and
get fit again.Come and join us! Please call Nathan
at 475-2300.

Next Wave Music Store
After 10 years of teaching the piano,
David Smith has made his first CD!
Come and meet him this weekend.
Special presents for the first 50 people.
Time: Sat. 7:00 pm
Call Marsha at 8732059.

1. The cleaner will work ______ hours one week.

A. 12
B. 15
C. 18

2. In the fitness camp, you can ______.

A. clean the house
B. lose weight
C. meet David Smith

3. ______ needs a cleaner.

A. Mrs. Johnson
B. Marsha
C. Nathan

4. You can call ______, if you want to go to the fitness camp.

A. 544-9968
B. 475-2300
C. 8732059

5. If you're the tenth to come to ______, you can get a special present.

A. the cleaning center
B. the fitness camp
C. Next Wave Music Store

判断题

密度计在未关闭的情况下，可以暂时中断浆液管道的供浆。（）