A: following a regular path in space
B: always travelling together
C: seldom wandering about in the universe
D: moving about without a fixed course
举一反三
- There are millions of stars in______ A: space B: a space C: the space
- Which of the following is NOT TRUE about a path plan?
- An analyst gathered the following information ($ millions) about the performance of a portfolio:（） A: 0.926 B: 0.998 C: 0.9286
- Ted spent all day ______ without doing anything useful. A: moving around B: going about C: messing around D: turning around
- The control volume is（ ） A: A system of a certain mass B: Space body with changed position and shape C: Fixed space body D: Space body with constant shape and moving position
内容
- 0
Why did Tian Yuan’s two classmates quarrel today? A: They always hated each other. B: They argued about who was the toughest in the class. C: They argued about the space to store their books.
- 1
Some people from the States have decided, just _____ curiosity, to make a tour in the space even though it will cost about tens of millions of US dollars.
- 2
10. Why did Tian Yuan’s two classmates quarrel today? A: They always hated each other. B: They argued about the space to store their books. C: They argued about who was the toughest in the class.
- 3
Thedoctorworked______fivehours_____arest. A: for, with B: on, without C: about, having D: for, without
- 4
What is she doing today? A: asking people about travelling B: asking people about interests C: asking people about learning languages D: asking people about learning new things