A: A difficult operation
B: Twist twins
C: Operation to separate twins stretches into 3rd day
D: The impoverished family gained the hope
举一反三
- The doctors successfully completed a 20-hour operation to __________ the one-year-old twins at the head. A: isolate B: separate C: divide D: remove
- Another term for identical twins is ______. A: fraternal twins B: mirror twins C: single-egg twins D: separate-egg twins
- For a continuous operation diesel engine， a duplex filter unit would be the best arrangement because （）.
- The twins are so much alike that people find it difficult to
- Why many people find it attractive to start a family business（） A: Because there would be abundant capital for operation B: Because family bonds are helpful in overcoming difficulties C: Because they hope to survive for generations D: Because they can make profits without unforeseen problems.
内容
- 0
The passage seems to concentrate on ______. A: how twins are born B: how twins grow up C: characteristics of identical twins D: ways to distinguish twins
- 1
According to different operation methods, reservoir operation can be divided into： A: conventional reservoir operation and optimal reservoir operation B: flood control operation, hydropower generation operation, comprehensive operation C: long-term operation, short-term operation, real-time operation D: single reservoir operation and multiple reservoir operation
- 2
How many hours of operation are there every day
- 3
中国大学MOOC: The twins are so much _____ that it is difficult to tell one from another.
- 4
It’s difficult to tell the twins （） because they look exactly the same. A: apart B: alike C: aside D: across