Formthesentences. 连词成句。 1.does, Danny, w

用括号内所给动词的适当形式填空。

1. ___________ your grandmother __________ (be) to the Museum of Flight before?

2. I _____________ (study) English at this school for three years.

3. Yao Ming _____________ (go) to America three months ago.

4. I need ______________ (improve) my spoken English.

5. Do you have any problem __________ (get) to the top of the hill?

6. The children started ____________(watch) the film at 2 o'clock and it hasn't finished yet.

7. It's fun _________ (learn) another language.

8. Next month Harry ___________ (visit) his grandparents with his parents.

下列图片的史实都发生在 * * 时期，发生最早的是 [ ]

A．粉碎 * * 的宣传画

B．毛 * * 和林彪接见红卫兵

C．五一六通知

D．四五运动群众诗抄

精神分裂症是一种慢性疾病，就像高血压、糖尿病一样需要长期药物维持来巩固疗效

大豆需氮最多的时期是（）

A.幼苗分枝期

B.开花结荚期

C.鼓粒成熟期

D.都不是

地壳最薄的地方一般在（）

A.盆地

B.平原

C.海洋

D.大陆断层