2. ____________is not allowed to use during take-off.
举一反三
- The magazines are not allowed to from the reading room. A: take away B: take up C: take over D: take off
- ____Aderhold is limiting the extra classes that students are allowed to take off campus.
- The use of mobile phones is not allowed during flight, even if placed in “_________” in most domestic airlines.
- 这些操纵面是液压作动的，并且只在起飞和降落时展开或收回。 A: These control surfaces are hydraulically supplied and are only extended or retracted during take off and landing. B: These control surfaces are hydraulically moved and are only extended or retracted during take off and landing. C: These control surfaces are hydraulically powered and are only extended or retracted during take off and landing.
- The sailors cast the boat off and allowed it to drift away on the tide. A: blow B: float C: take D: wander