总论点在文章中居总领、统帅的地位。

—What’s the price of petrol these days?

—It ________ frequently since last year.

A．is arisen

B．increased

C．has been rising

D．has raised

阅读下面这首宋词，然后回答问题。（6分）

木兰花           宋祁

东城渐觉风光好，縠皱[注]波纹迎客棹。绿杨烟外晓寒轻，红杏枝头春意闹。      浮生长恨欢娱少，肯爱千金轻一笑？为君持酒劝斜阳，且向花间留晚照。

[注] 縠皱：皱纱。此处比喻水的波纹。

这首词的上半阙是如何描写春色的？试对此进行分析。对词中“红杏枝头春意闹”的“闹”字，你认为写得好不好？为什么？

答：                                                                                      

流体在原形管道中流动时，连续性方程可写为（）

A.U2/U1=d1/d2

B.U2/U1=（d1/d2）2

C.U2/U1=（d2/d1）2

D.U2/U1=d2/d1

心形、耳垂形、箭形、楔形、戟形、圆形、下延形、偏斜形都属于叶缘形状的描述。

An instruction is made up of operations that (68) the function to be performed and operands that represent the data to be operated on. For example, if an instruction is to perform the operation of (69) two numbers, it must know (70) the two numbers are. The processor’s job is to (71) instructions and operands from memory and to perform each operation. Having done that, it signals memory to send it (72) instruction.

A．add

B．added

C．adding

D．additional