According to the passage， bad posture is most probably caused by A. tiredness， boredom and weakness B. lack of energy C. carelessness and poor health habits D. overworking and illness

After the accident， ships are not allowed to travel into the north in winter to ensure safe ocean travel.

    A. Right

    B. Wrong

    C. Not mentioned

The ship might not have sunk if its radio officer had listened to the warning from the California.

    A. Right

    B. Wrong

    C. Not mentioned

The California didn‘t come in time to save the passengers on the Titanic because its officers were not clear about what was happening on the Titanic.

    A. Right

    B. Wrong

    C. Not mentioned

The Titanic has 1，178 lifeboats for 2，207 people， but 1，502 people lost their lives because many people did not know how to get into their lifeboats.

    A. Right

    B. Wrong

    C. Not mentioned

Throughout the whole tragedy， the California didn‘t received the Titanic’s call for help.

    A. Right

    B. Wrong

    C. Not mentioned

Over 1，000 passengers were able to escape in lifeboats from the sinking Titanic.

    A. Right

    B. Wrong

    C. Not mentioned

Some desirable changes have taken place in this town.

    A identical

    B uncertain

    C frequent

    D satisfactory

His behaviour is in every way perfect.

    A attitude

    B conduct

    C intelligence

    D character

It‘s impolite to cut in when two persons are holding a conversation.

    A leave

    B spend

    C stand up

    D interrupt

During his lifetime he was able to accumulate quite a fortune.

    A control

    B spend

    C collect

    D exchange