如果热油泵内介质是粘度较大的油品，如果不预热，油凝在泵罐内，启动后会造成（）。A、出
题型：单项选择题
问题：
如果热油泵内介质是粘度较大的油品，如果不预热，油凝在泵罐内，启动后会造成（）。
A、出口流量太大
B、出口压力过高
C、出口温度过高
D、不上量，甚至会引起电机跳闸
题型：单项选择题
B
ACTeen-Acting for Teens
The nation’s first on-camera acting program developed for teens(ages 13—15, 16—20). Now celebrating our 30th year. June, July, August,
or。Saturday summer academies offer full or part-time curriculum. 14 + electives, including film & television acting, theater, musical theater, auditioning, Shakespeare, speech ＆ voice, movement, script writing.
Working grades, small classes(12 maximum per workshop). Safe, convenient location. Application required. Out of town applicants may submit long distance application.
Cost/Week: $500一$649
Indianhead Ranch
Sharpen your H unting Skills over one or two weeks at Indianhead Ranch in Del Rio, Texas. You will experience the outdoors, expand your knowledge in gun safety and learn practical camping hunting and survival skills.
Cost/Week: $1000一$1999
Vermont Adventure Camps
Six-Day Adventure Camps
We offer 8 six-day adventure camps for teens l1 to 13. The kids go 
stay in rustic cabins at our camping site in Andover VT and on adventures each day. A discount of 10％ will be given to the team with over 3 persons.
Two-Week Adventure Camps
We also offer 4 two-week adventure camps for teens 14 to 17. The teens will go on an adventure each day and then come back to our quaint Adventure Lodge.
Cost/Week: $650
International ESL Camp
The site is in close proximity to New York, Philadelphia, and Princeton University. Campers will receive three hours per day of English language instruction, a full range of planned activities including sports, arts and crafts, and weekly excursions.
Cost/Week: $650一$999
59. According to the passages, which camp offers hunting skills?
A. Vermont Adventure Camps. B. Indianhead Ranch.
C. Acting for Teens. D. International ESL Camp.
60. Which of the following statements about ACTeeen is TRUE?
A. Applicants out of town cannot submit.
B. There i s no need for application to the camp.
C. The camp lasts until September.
D. Its curriculum includes script writing.
61. If Tom plans to send his 4 children to join Six-Day Adventure Camps, how much should he pay?
A. 2,340. B. 2,600. C. 260. D. 2,860.