The lifeguard told the children that if they kept (a)   disregarding the rules by running in the area around the pool, they would have to leave.

After many hours of (a)   , the committee finally agreed on a design for the new company logo.

We were all (a)   by the figure skater’s performance. Her movements were so graceful that no one could take their eyes off her.

The cruel dictator was (a)   by the people, so there were celebrations in the streets when he was finally forced out of power.

Laura often used to (a)   on her school assignments, but now she starts working on them as soon as her teachers give them to her.

There was a time when solar power was not considered a (a)   energy source. Now, however, it is commonly used in homes and businesses.

Although the war had started as the result of a serious (a)   between the two countries, negotiators were finally able to solve the issue and bring peace to the region.

Sandra is known to be a particularly (a)   lawyer because of her ability to skillfully debate cases and find clever applications of the law.

次の文の空欄に入る最も適切な語を1～4の中から選びなさい。As a boss, Randall was terribly (a)   . He changed his mind frequently without committing to a specific vision to work toward.

After years of suffering from a trade imbalance, the country began to demand a more (a)   exchange of goods with its neighbors.

警察は暴動を (a)   ために通りに送り込まれました。しかし、平和を回復するどころか、彼らの存在はさらなる暴力を引き起こしただけでした。

1時間の口論の末、カップルはついに自分たちの問題の (a)   を発見しました。財政に関して根本的に異なる価値観を持っていたのです。

A: イブラヒム、会議で予算について話しているとき、君が（ (a)   ）しなかったのは驚きだったよ。君は誰よりもそのことをよく知っているのに。

B: 何か言おうと思ったけど、アリスが言ったことに全部同意したから、特に付け加えることはなかったんだ。

A: トム、その新しい高級車、いくら（ (a)   ）したの？安くはなかっただろう。

B: そうじゃないよ、パム。でも今期は昇給と大きなボーナスをもらったから、買えると思ったんだ。

毎年夏になると、何万人もの観光客がその町の祭りのために (a)   。彼らの突然の到来は交通問題や混雑、騒音を引き起こし、住民を悩ませます。

レイナはフェンシング部に入部し、そのスポーツに生まれつきの才能があることに気づきました。彼女の対戦相手は彼女の攻撃を（　　　）ことができず、彼女はたいてい試合に勝ちます。

This (a)   had a profound effect on Argentine ants.

次の文章を読んで、各空欄に最も適切な語句を4つの選択肢から選びなさい。

While some ant species will produce offspring with other ant varieties, Argentine ants refuse to mate outside their species. Instead, they have a distinct tendency to seek to annihilate any other type of ant they encounter. These traits have led to a lack of genetic diversity that has been highly beneficial. Like other species, Argentine ants detect scent-producing chemicals called pheromones when they encounter other ants. Unlike other species, however, their high degree of genetic similarity means they recognize members of other Argentine ant nests as belonging to their own group, preventing them from clashing with colonies in proximity to them. This permits them to (a)   than other ant species.

Argentine ants have taken a toll on ecosystems globally. Untold numbers of indigenous ant species have been exterminated in fierce conflicts during Argentine ant invasions. However, Argentine ants ( (a)   ). The Argentine ant is a relatively diminutive species, and Californian predators that once feasted on the more sizeable ant varieties it evicted appear to have an aversion to it. Horned lizards in the area, for instance, are now starving. Similarly, in South Africa, Argentine ants have expelled ant species that spread seeds by transporting them to their nests. Argentine ants, however, have failed to take up this crucial ecological niche, threatening the plants that rely on ants for seed dispersal.