The Belgian family made their daughter sit in the front of the car because they thought______.
A. the students were too dirty to sit near
B. the students wouldn't value her enough
C. the students couldn't be trusted near her
D. the students were too rude to speak to
The travelers were able to reach F camp by getting a lift from______.
A. two men who had left their wives
B. two different lorry drivers
C. two men driving different cars
D. two men without their wives
In the passage we are told that zoologists came from Vienna University to______.
A. study the fish in the aquarium
B. decide which fish to put in the aquarium
C. supervise the building of the aquarium
D. help build the aquarium
我国现行的证券买卖委托有效期,分当日有效和约定日有效两种。()
A. 正确
B. 错误