1. The most important crop in Alberta, Canada is winter wheat which is planted in late summer and is ripe for harvesting by late spring.
(A) ready (B) intended (C) selected
2. Grandma Moses based her simple but realistic paintings of rural life on memories of her own youth in the late 1800s.
(A)country (B)family (C)everyday
3. In 1896 George Washington Carver became director of the Department of Agricultural Research at Tuskegee Normal and Industrial Institute, a position he retained for the rest of his life.
(A)expanded (B)managed (C)kept
4. After Emily Dickinson retreated from the world at the age of twenty-six, she wrote more than one thousand poems.
(A)received praise from (B)withdrew from (C)rebelled against
答案：AACB
详解：
1.Ready
adj. 准备好;现成的;迅速的;情愿的;快要…的
n. 现款;预备好的状态
adv. 迅速地;预先
vt. 使准备好
Lunch is almost ready.
午饭快准备好了。
2.Country
n. 国家;故乡;乡村
adj. 乡村的;国家的
Who govern this country?
谁统治这个国家?
3.Kept
adj. 受人资助控制的
v. 保持;维持;保管(keep的过去式和过去分词)
Iron corrodes unless it is greased or kept clean.
如果不涂油或保持清洁铁便会腐蚀。
4.withdrew from
v. 退出;离开
In recent years, Israel withdrew from South Lebanon and Gaza.
近些年里，以色列从南黎巴嫩和加沙撤出。
From:https://www.zgghmh.com/CET-4/20003983.asp