易燃易爆液体有较大的火灾、爆炸危险性,因为其闪点低、汽化快、蒸气压力小。()

题型:判断题

问题:

易燃易爆液体有较大的火灾、爆炸危险性,因为其闪点低、汽化快、蒸气压力小。()

考点:油品储运调合操作工油品储运工艺基本知识油品储运工艺基本知识题库
题型:判断题

根据短文内容回答下列问题。

     A man goes to a fast-food (快餐) restaurant for lunch. A waiter (服务员) comes to him

Waiter: May I help you?

The man: Yes, I'd like a hamburger, fried(油炸的)chicken and French fries.

Waiter: Anything else(其他的)?

The man: No. That's it.

Waiter: Is that for here or to go?

The man: To go.

The man pays (支付) for his lunch. The waiter puts (放) the man's lunch in a bag.

The man takes the bag and goes out.

1.  Where does the man go for lunch? He_____ to a fast-food _____.

2.  What does the man want to eat? He wants a hamburger, fried _____, and_____fries.

3.  Where does the waiter put the man's lunch? The worker puts it _____ a_____.

4.  Does the man eat in the restaurant? _____,_____.

5.  Is it a fast-food restaurant? _____,_____.

题型:判断题

下列转头标识代表固定角转头的是()。

A.FA

B.V

C.SW

D.CF

E.Z

题型:判断题

Phyllis Wheatley is regarded as America’s first black poet. She was born in Senegal, Africa, about 1753 and brought to America aboard a slave ship at about the age of seven. John and Susannah Wheatley bought her for three pounds at a slave auction in Boston in 1761 to be a personal servant of Mrs. Wheatley. The family had three other slaves, and all were treated with respect. Phyllis was soon accepted as one of the family, which included being raised and educated with the Wheatley’s twin 15-year-old children, Mary and Nathaniel. At that time, most females, even from better families, could not read and write, but Mary was probably one of the best educated young women in Boston. Mary wanted to become a teacher, and in fact, it was Mary who decided to take charge of Phyllis’s education. Phyllis soon displayed her remarkable talents. At the age of twelve she was reading the Greek and Latin classics and passages from the Bible. And eventually, Mrs. Wheatley decided Phyllis should become a Christian.
At the age of thirteen Phyllis wrote her first poem. She became a Boston sensation after she wrote a poem on the death of the evangelical preacher George Whitfield in 1770. It became common practice in Boston to have" Mrs. Wheatley’s Phyllis" read poetry in polite society. Mary married in 1771, and Phyllis later moved to the country because of poor health, as a teacher and caretaker to a farmer’s three children. Mary had tried to interest publishers in Phyllis’s poems but once they heard she was a Negro they weren’t interested.
Then in 1773 Phyllis went with Nathaniel, who was now a businessman, to London. It was thought that a sea voyage might improve her health. Thirty-nine of her poems were published in London as Poems on Various Subjects, Religious and Moral. It was the first book published by a black American. In 1775 Phyllis wrote a poem extolling the accomplishments of George Washington and sent it to him. He responded by praising her talents and inviting her to visit his headquarters. After both of her benefactors died in 1777, and Mary died in 1778, Phyllis was freed as a slave. She married in 1778, moved away from Boston, and had three children. But after the unhappy marriage, she moved back to Boston, and died in poverty at the age of thirty.

The underlined word "respect" in Paragraph 1 is closest in meaning to ______.

A.consideration

B.disregard

C.punishment

D.behavior

题型:判断题

汽轮机的保护装置包括超速保护装置、( )和低油压保护装置等。

A.超压保护装置
B.超温保护装置
C.低真空保护装置
D.轴向位移保护装置

题型:判断题

DBMS是位于()之间的一层数据管理软件。

A.OA软件与用户

B.OS与DB

C.硬件与软件

D.OS与硬件

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