下列局部差额中，能够较好地衡量国际收支对国际储备造成压力的是（） A.贸易差额 B.

树叶该落在哪儿？（选字填空）

长　　　　常

（1）哥哥（　　）去踢足球。

（2）大象的鼻子很（　　）。

有　　　　友

（3）我（　　）一个漂亮的洋娃娃。

（4）小狗是我们的好朋（　　）。

1AA型集装箱的长度是（）m。

A、4

B、6

C、12

短文改错。

Last winter vacation,some of my classmates decide to

                                                            1._________

travel with their friends, while I chose to take part-time

job                                                        2._________

to gain experience and earn some money. I learn from

my                                                         3._________

teacher that a nearby company was looking after students

                                                             4.__________

with good handwriting to write addresses on envelope. The

                                                              5._________

pay were 10 cents per envelope. I headed for the company,

                                                             6.__________

feeling sure l would easy finish 300 envelopes in five hours

and                                                       7._________

to earn the money. Actually,I only finished 200. Now, I

                                                             8.__________

fully understand how hard is to earn money. Getting out

                                                             9.__________

of the classroom is indeed necessary for we all.

                                                              10._________

期货实物交割 

混合气体的体积磁化率基本上取决于（）的体积磁化率及其体积分数。

A、氮气

B、氧气

C、一氧化碳

D、二氧化碳