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【单选题】
下面属于临床优生学范畴的是A.
产前筛查
B.
制定优生法规
C.
研究遗传病发病机制
D.
开展优生教
E.
研究环境与优生的关系
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】He had been ill for a long time and _________ he was left behind in his work。
A.
however
B.
consequently
C.
otherwise
D.
but
【单选题】If he had left in time for the last bus, he ______ it.
A.
shouldn't have missed
B.
ought not have missed
C.
mustn't have missed
D.
couldn't have missed
【简答题】昨天晚上我给他打电话了,可是他没有 _____ 。 周末我们出去玩吧,你有什么 _____ ? 我要跟朋友 _____ 一下儿假期的时候去哪儿。 老师 _____ 我们多跟中国朋友聊天儿。 我想买一个新手机,但是我父母不 _____ ,他们说我现在用的手机还很新,不用买。 商店离学校很近,就在马路 _____ 。 我今天没 _____ 手机,没接你的电话。 喂,你在哪儿? _____ 不来上课?老...
【单选题】He had left behind the narrow, ignorant world of his youth to join the world community of thoughts and actions ever since he started with his great journey of learning English in prison.
A.
He had left behind the narrow, ignorant world of his youth.
B.
He had joined the world community of thoughts and actions.
C.
He started with his great journey of learning English in prison.
【简答题】了 怎么 接 带 建议 参观 同意 商量 对面 昨天晚上我给他打电话了,可是他没有 _____ 。 周末我们出去玩吧,你有什么 _____ ? 我要跟朋友 _____ 一下儿假期的时候去哪儿。 老师 _____ 我们多跟中国朋友聊天儿。 我想买一个新手机,但是我父母不 _____ ,他们说我现在用的手机还很新,不用买。 商店离学校很近,就在马路 _____ 。 我今天没 _____ 手机,没接你的...
【单选题】The hitchhiker left the bag with a gun in it behind because ______.
A.
he wanted to give her a warning
B.
he had not expected that the woman would leave him behind in the rain
C.
it was his present for her
D.
he wanted to kill her with the gun
【简答题】He left in such a hurry that I _____ had time to thankhim. A. almost B. even C.nearly D. scarcely
【简答题】将下列花卉与相应的科,组合到一起。 黄菖蒲( ),落新妇( ),紫茉莉( ),牡丹( ),紫簪( ) 水仙( ),球柏( ),红王子锦带( ),麻栎( ),水蜡( ) 天竺葵( ),福禄考( ),荷花( ),马蹄莲( ),臭椿( ) 花曲柳( ),茶条槭( ),元宝枫( ),毛樱桃( ),槲树( )。 A 、漆树科 B 、牻牛儿苗科 C 、毛茛科 D 、石蒜科 E 、紫茉莉科 F 、 虎耳草科 G...
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