“人之立志，顾不如蜀鄙之僧哉”的正确译文是（  ）

如图中的景观是黄河上最著名的瀑布，该瀑布是（　）

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给下列句子编号。

Kate:  Look, Mary! A girl is over there. Can you see her?

Mary:  Which girl?

Kate:  The one in the red coat under the apple tree. Do you know her?

Mary:  That's Lily. Lily, how are you?

Lily:   Very well, thank you, and you?

Mary:  I'm fine too. This is my friend, Kate.

Lily:   Nice to meet you, Kate.

Kate:  Nice to meet you too.

A. That's Lily. Lily, how are you?

B. Which girl?

C. Look, Mary! A girl is over there. Can you see her?

D .The one in the red coat under the apple tree. Do you know her?

E. Very well, thank you, and you?

F. Nice to meet you, Kate.

G. I'm fine too. This is my friend, Kate.

H. Nice to meet you too.

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如图，一轻弹簧下端连接在倾角为30°的固定斜面上，一质量为1kg的滑块（可视为质点）从斜面顶端a点由静止开始下滑，到b点接触弹簧，滑块将弹簧压缩至最低点c，然后又回到a点．已知ab两点间距离为0.8m，bc两点间距离为0.2m，重力加速度g取10m/s²．下列说法正确的是（   ）