According to the distance of travel itineraries, travel itinerary can be classified into _______. A: one-day tour, two-day tour and multi-day tour B: . ordinary travel tour and special travel tour C: short-distance tour, medium-distance tour, and long-distance tour D: international travel tour, national travel tour and regional travel tour

The farewell speech can be used to _________. A: complete the tourists’ tour B: make sure that the tourists enjoy the tour C: express the tour guide’s thanks for the tourists’ cooperation D: improve the relations between the tour guide and the tour leader

The members of the group are given a detailed tour ______ by the tour guide.

The tour guide should wait for the tour group in the bus.

The tour title is an important part of an itinerary, which usually highlights the length and __________of the tour, e.g. “Three-Day Tour to the Yungang Grottoes”.

At the end of a factory tour, the seller should express gratitude for the tour’s arrangements. ( ).

Bidding farewell to a tour group marks the end of the tour guide’s service.

A tour guide should ask the tour leader about the tourists’ diet and special requirements.

智慧职教: Both the package tour and the DIY tour have their own advantages and disadvantages. ( )

急性淋巴细胞白血病（） A: A淋巴细胞PAS染色阳性 B: B淋巴细胞PAS染色阴性 C: C幼淋巴细胞PAS染色阳性 D: D原淋巴细胞PAS染色阳性 E: E原淋巴细胞PAS染色阴性