单选题

There are five questions below，

Five participants at an international conference are plan-ning to take a car trip together. Two persons― the driver and one passenger― will sit in the front seat of the car, and three persons will sit in the back seat. The names of the five participants and all of the languages that each of them speaks are as follows:

Mohsen: Farsi and Hebrew

Orlando: Italian and Russian

Shelly: Hebrew and Russian

Theo: German and Italian

Ursula: Farsi, German, and Hebrew

The participants must be seated in the car according to the following restrictions: The driver must be Orlando or else Shelly. Two persons can be seated side by side only if at least one of the languages they speak is the same.

单选题

Which of the following is an acceptable seating arrangement, with the driver listed first under “Front Seat” and the passengers in the back seat listed from one side to the other side?

	Front Seat	Back Seat
A	Mohsen, Ursula	Theo, Orlando, Shelly
B	Orlando, Mohsen	Shelly, Theo, Ursula
C	Orlando, Shelly	Mohsen, Ursula, Theo
D	Shelly, Mohsen	Ursula, Orlando, Theo
E	Shelly, Orlando	Theo, Mohsen, Ursula

【正确答案】 C

【答案解析】

单选题

If Mohsen sits in the front seat, which of the following can be true?

A、 Orlando will be the driver.
B、 Orlando will sit next to Ursula.
C、 Shelly will sit in the middle position in the back
D、 Shelly will be the driver.
E、 Ursula will sit in the middle position in the back

【正确答案】 D

【答案解析】

单选题

If Theo sits in the front seat, which of the following must be true?

A、 Mohsen and Shelly will sit side by side.
B、 Mohsen and Ursula will sit side by side.
C、 Orlando and Theo will sit side by side.
D、 Orlando and Ursula will sit side by side.
E、 Shelly and Ursula will sit side by side.

【正确答案】 C

【答案解析】

单选题

If both persons sitting in the front seat speak Hebrew, then it must be true that

A、 exactly one person sitting in the back seat speaks Russian
B、 neither speaker of Farsi is sitting in the front seat
C、 no one sitting in the front seat speaks Russian
D、 no one sitting in the back seat speaks Hebrew
E、 a speaker of Russian is sitting in the middle position in the back seat

【正确答案】 A

【答案解析】

单选题

Which of the following must be true if Orlando is the driver?

A、 If Shelly sits in the front seat, Ursula will sit in the middle position in the back seat
B、 If Shelly sits in the back seat, she will sit next to Ursula
C、 If Theo sits in the front seat, Ursula will sit in the middle position in the back seat.
D、 If Theo sits in the back seat, he will sit between Mohsen and Ursula.
E、 If Ursula sits in the back seat, she will sit in the middle position in the back seat.seat.

【正确答案】 A

【答案解析】