Which statement is not true about flagella？
A. Flagella are part of bacteria.
B. Flagella help bacteria to move.
C. Flagella are always going round and round.
D. Flagella are like waves.
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Which of the following is probably true of the woman？
A. She has no or few plans for the weekend.
B. She'd like to go out with the man.
C. She is going to be busy all Sunday.
D. She is worried about her performance on the final.
旅游团赴下一站旅行，在离开饭店前，无特殊原因地陪应在下午6: 00时以前办理退房手续。 ()
A. 正确
B. 错误
A．expectB．expectationC．expectingD．expected
A. expect
B. expectation
C. expecting
D. expected
为了防止丢失，旅游者的护照、回乡证和集体签证，在办完手续后，可以保留在导游员手中。 ()
A. 正确
B. 错误
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