题目内容
（请给出正确答案）
[主观题]
A.It is not comfortable.B.R cannot go long distances without recharging.
A.It is not comfortable.
B.R cannot go long distances without recharging.
C.It is difficult to steer.
D.Its engine easily overheats. Passage Two Questions 29 to 31 are based on the passage you have just heard.
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