It is not necessary to declare（）in MARITIME HEALTH DECLARATION.

The students in a certain physical education class are on either the basketball team or the tennis team, are on both these teams, or are not on either team. If 15 students are on the basketball team, 18 students are on the tennis team, 11 students are on both teams, and 14 students are not on either of these teams, how many students are in the class?

Language reflects sexism in society. Language itself is not sexist， just as it is not obscene; but it can connote sexist attitudes as well as attitudes about social taboos or racism.

The atmosphere in a tank is too lean if it is（）.

The atmosphere in a tank is too lean if it is（）.

If I work in a small factory, it is not _____ for me to gain much experience.

If I work in a small factory，it is not _____ for me to gain much experience.

If I work in a small factory，it is not ______ for me to gain much experience.

Motor transport has the biggest market share in the paragraph. Is it true or not （）

It is not surprising if in these conditions people behave aggressively towards each other；it is impossible for them to behave（）

If you do not know the subject, you will not understand what is said or written, even if English is your mother （） what is said or written.

The declaration made by the shipper，if embodied in the bill of lading，is（）evidence，but is not binding or conclusive on the carrier.