【題目】閱讀下面材料，在空白處填入適當(dāng)?shù)膬?nèi)容（不多于3個單詞）或括號內(nèi)單詞的正確形式。

Earthquakes can be destructive. Unfortunately, we don’t have a 【1】(rely) way to predict. But technologies can still help us under such a desperate situation. China is building the world’s largest earthquake alert system and it’s【2】(possible) the most advanced. Engineers【3】(set) up over 15000 sensors（傳感器） nationwide and writing them into a web. Once【4】 earthquake happens, the sensors can send electrical pulses to the control center and then ordinary people’s smart phones.

The signal travels at almost light speed and faster than the earthquake shaking,【5】(give) local people a little time to prepare, and the system can usually send messages to people in less than two seconds. It’s life-saving. The system,【6】can be the most advanced in many ways, will be the largest earthquake observation network in the world, not only detecting the movement of the【7】(continent) but also calculating the possible impact【8】an earthquake. It will automatically warn local people, making【9】(it) much faster than human observation. The system, overseen by China’s Ministry of Emergency Management, is set 【10】(complete) in 2022.

【答案】

【1】reliable

【2】possibly

【3】are setting

【4】an

【5】giving

【6】which

【7】continents

【8】of

【9】itself

【10】to be completed

【解析】

這是一篇說明文。介紹了中國即將建成的世界上最大的地震警報系統(tǒng)。

【1】

考查形容詞。句意：不幸的是，我們并沒有可靠的預(yù)測方法。名詞way用形容詞reliable修飾，故填reliable。

【2】

考查副詞。句意：中國正在建立世界上最大的地震警報系統(tǒng)，這可能是最先進的。修飾形容詞advanced用副詞possibly，故填possibly。

【3】

考查時態(tài)。句意：工程師們正在全國范圍內(nèi)建立15000個傳感器并把他們寫入網(wǎng)絡(luò)。根據(jù)“China is building the world’s largest earthquake alert system”可知建設(shè)該系統(tǒng)是正在進行的事情，該句也用現(xiàn)在進行時，主語為復(fù)數(shù)，故填are setting。

【4】

考查冠詞。句意：一旦一場地震發(fā)生了，這些傳感器可以發(fā)送電脈沖到控制中心，然后再到普通人的智能手機上。earthquake為可數(shù)名詞且這里泛指，所以要用不定冠詞，開頭為元音因素，故填an。

【5】

考查非謂語動詞。句意：這種信號以接近光速的速度運動，比地震顫動的速度要快，這給了當(dāng)?shù)厝艘恍蕚鋾r間。動詞give和謂語動詞travel之間無連詞，故用非謂語動詞形式，give和這種信號速度比地震顫動的速度要快這件事構(gòu)成主動關(guān)系，且表伴隨，故填giving。

【6】

考查非限制性定語從句。句意：這種可能在很多方面都是最先進的系統(tǒng)將會成為世界上最大的地震觀測網(wǎng)絡(luò)。非限制性定語從句中缺少主語，且先行詞為the system，故填which。

【7】

考查名詞單復(fù)數(shù)。根據(jù)句意“不僅監(jiān)測大陸的運動”。continent為可數(shù)名詞，在地震監(jiān)測系統(tǒng)中要監(jiān)測的大陸不止一塊，所以用名詞復(fù)數(shù)，故填continents。

【8】

考查介詞。根據(jù)句意“還要計算一場地震的可能影響”，impact（影響）和earthquake(地震)構(gòu)成所屬關(guān)系，所以用介詞of表示“…的”，故填of。

【9】

考查反身代詞。句意：它會自動警告當(dāng)?shù)厝�，使得它自己比人類的觀察快得多。主語是it，所以作賓語時用反身代詞，故填itself。

【10】

考查動詞不定式的被動形式。句意：這個系統(tǒng)由中國應(yīng)急管理部監(jiān)管，預(yù)定在2022年將被完成。be set to do sth意為“預(yù)設(shè)做某事”，為固定搭配，且complete（完成）和system（系統(tǒng)）構(gòu)成被動關(guān)系，故填to be completed。

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