(单选、2.5分) 地上水塔工程宜选用（ ）

(单选、2.5分) 金属构件工程量的单位一般以什么为单位？（　　）

Americans usually eat three meals a day Breakfast usually comes before eight o’clock in the morning They usually have eggs, some meat, bread, fruit juice and coffee Lunch is between twelve and one o’clock It is like a light meal and working people must take lunch with them or get it near workplace Children in school take sandwiches, fruit, and cookies with them or eat in school Supper, the main meal, is between six and eight in the evening People cook it carefully They may have meat or chicken, turkey and duck They may all have potatoes or rice, vegetables or salad The drink is coffee, tea or milk Then comes the dessert (请根据上述段落回答第6-10)1 Americans have breakfast ________（单选）—5分

1_____education is the instruction that occurs when the instructor and students are separated by distance or time,or both

We need friends to ________, or we will feel lonely（单选）—4分

表达式1.5+32＞2 Or 7 Mod 3＜4 And Not 1的运算结果是( )。

表达式1+32＞1 Or 6 Mod 4＜3 And Not 1的运算结果是( )。

表达式1.5+32＞2 Or7 Mod 3＜4 And Not 1的运算结果是( )。

（）shall be liable for loss of and damage to the Vessel and／or goods arising or resulting from inaccuracies in stating the description，quantity，weight，measurement or contents.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。