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某公路路基防护加固工程，采用的是边坡坡面防护类型，在施工中利用喷射混凝土防护对风化岩石边坡进行防护框格防护。 1．公路路基防护加固工程的类型有哪些 2．公路路基防护加固工程的意义是什么 3．公路路基防护加固工程的封面采用哪些防护形式各种防护形式的适用范围是什么 4．公路路基加固工程的主要功能有哪些其类型有哪些

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有一座天然气中低压调压站，设一台雷诺式调压器，调压站的进口压力P1≥0.02MPa，燃气密度ρ0=0.78kg/m3，若拟选DN150调压器时，Q’=885m3/h，△P’=1000Pa，P0’=0.78kg/m3，调压器出口压力为P2=0.003MPa，过滤器的阻力为0.005MPa，则调压器流量为（）。

A. 3 066 m3/h
B. 3 200 m3/h
C. 3 305 m3/h
D. 3 726 m3/h

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阅读下面的程序段： publiC class Sun { public static void main (String args[ ]) { int a=0; for(int i=1;i＜=3;i++) { for(int j=1;j＜=i;j++) { for(int k=j;k＜=3;k++) { a=a+1; } } } System.out.println(A) ; } } 执行上面的3重循环后，a的值为( )。

A. 3
B. 9
C. 14
D. 21

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Passage One Questions 26 to 29 are based on the passage you have just heard.

A. The Chinese mainly use acupuncture to cure strange disease.
B. Most Chinese patients prefer acupuncture to chemicals in curing diseases.
C. The Chinese have spread acupuncture all over the world.
D. The Chinese are learning more about acupuncture.

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Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be read at normal speed, listen and try to understand the meaning. For the second and third readings, the passage will be read sentence by sentence, or phrase by phrase, with intervals of 15 seconds. The lam reading will be read at, normal speed again and during this time you should check through your work once more. Please write the whole passage on ANSWER SHEET ONE.

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