一个既有加、减法,又有乘、除法的混合算式,运算顺序是先算(),后算()。

题型:填空题

问题:

一个既有加、减法,又有乘、除法的混合算式,运算顺序是先算(    ),后算(    )。

考点:整数的四则混合运算及应用题
题型:填空题

患者,女性,25岁。尿频、尿急、尿痛,血尿伴发热39℃1天入院,无呕吐、无腰痛,尿蛋白(+)、红细胞30~40/HP,白细胞满视野。 最适宜的进一步诊断方法是()

A.肾功能检查

B.尿细胞学检查

C.尿比重和尿渗透压检查

D.尿细菌学检查

E.尿路影像学检查

题型:填空题

下列什么行为是违反民国政府规定的?[ ]

A.禁止缠足

B.两人见面互称“君”

C.见面握手问好

D.见面时行跪拜礼

题型:填空题

When I was young, my parents ran a snack bar in our small town.

One evening in early April, my mother told me to fill in at the snack bar (1) a worker who had the flu. I told her I would mess it up, (2) I had never worked at the bar before. I (3) that instead of making money, I would end up owing it.

"You can do it, " said my mother, " (4) , you won’t get much business until lunch. "

"But I’ll never remember the orders, and I’m no good (5) money. Please, Mom, don’t (6) me. "

"Then I’ll help you", she said.

I shrugged my shoulders. I thought my mother’s (7) was a bad one, but I (8) .

When I got to the bar the next day, I found my mother was (9) . Because the weather that day was rainy and cold, people wanted hot snacks and drinks. (10) , I was really slow at taking the orders and making change. The line of people grew, and everybody seemed (11) , I was so nervous that my hands shook, and I (12) a cup into pieces. What a mess! Then my mother came to (13) me, and she also showed me how to make (14) If someone gave me $ 5 for something that cost $ 3.25, I handed over (15) quarters and a dollar and said, "75 cents makes four dollars, plus one dollar makes five. " Things went more (16) after that.

By the end of the day, I could remember orders, (17) the bill, and make change quickly with a smile. I was even a little (18) when the sun came out and dried up business. My mother said she was proud of me, and when she (19) that I work at the snack bar again next year, I did not even shrug. I was too busy (20) the restaurant I would open one day.

7()。

A. idea

B. bar

C. day

D. answer

题型:填空题

煤层气是在煤矿层及其邻近岩层中自生自储与煤伴生的一种可燃气体()

题型:填空题

怎样将背景变换到一个图层中()。

A.选择菜单选项图层>新图层

B.选择菜单选项图层>变换

C.按Ctrl+单击图层缩略图

D.双击背景图层

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