【題目】Many people are asking the public to ________fewer fireworks during the Spring Festival to protect the
environment.
A. take off B. put off
C. set off D. fall off
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【題目】(9分)下圖為人體內(nèi)環(huán)境穩(wěn)態(tài)的部分調(diào)節(jié)機制示意圖。請據(jù)圖回答問題:
(1)人體產(chǎn)熱主要來自 的活動。當(dāng)健康人體處于38℃的環(huán)境溫度時,內(nèi)環(huán)境仍能維持相對穩(wěn)定的溫度,此時人體的散熱方式為 。
(2)如果該示意圖表示寒冷或體溫向下波動時的神經(jīng)調(diào)節(jié)機制,此時體內(nèi)調(diào)節(jié)體溫的主要反射弧及其效應(yīng)是 。(要求將甲、乙、丙的結(jié)構(gòu)名稱寫具體)
(3)如果該示意圖表示人體內(nèi)滲透壓平衡的部分調(diào)節(jié)機制。b表示乙釋放抗利尿激素過程,說出甲在該調(diào)節(jié)過程中的作用: 。
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【題目】_______, he owns the first prize.
A. To his much delight B. Much to his delight
C. To his much delightful D. Much to his delightful
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【題目】
--- Have you found the dog?
--- No, but .
A.I am
B. I’m
C. I’m just going to
D. I’m just going
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【題目】The factory ___________we’ll visit next week is not far from here.
A. where B. to which C. which D. in which
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【題目】Mr Smith was almost broken down by unfortunate events that happened to him.
A. a range of B. a variety of
C. a series of D. a list of
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【題目】(2017·天津) It was when I got back to my apartment ______ I first came across my new neighbors.
A. who B. where C. which D. that
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【題目】
He was in hospital only because he was too excited at the fact ______ he won the first prize in the contest.
A. in which
B. that
C. which
D. whether
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【題目】如圖是“東漢書信紙”。它原襯墊于銅鏡之下,故呈圓形,推測為家書的殘片。紙以麻為主要原料,并通過施膠等加工技術(shù),改善了紙面的白度和平滑度,使得紙張厚薄均勻。以上介紹和圖片說明
A.東漢時已經(jīng)出現(xiàn)較成熟的造紙技術(shù)
B.東漢時造紙術(shù)由羅馬人通過絲綢之路傳到了歐洲
C.東漢時更多的人有了受教育的機會,擁有文化的人很多
D.東漢時紙已經(jīng)取代簡牘成為最主要的書寫材料
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