Предмет: Английский язык, автор: veloxvoid

Вставьте, пожалуйста, глаголы в нужной форме.

1. Elena is saying that she ___ (to go) to the country every weekend.

2. She has just told us that they ___ (already, to build) the recycling plant.

3. I remember that you ___ (to promise) to send the invitations by 12 o'clock.

4. We thought they ___ (must) use new farming technologies.

5. Everyone knew that the conference ___ (to start) next Monday

6. They felt sure they ___ (can) suggest an excellent solution to this problem.

7. From the latest reports we have learned that around 40000 African elephants ___ (to be) killed each year

8. The manager didn't know that his boss ___ (to go) on business trip.

9. The seeds grew well because the farmers ___ (to dig) the soil well

10. Experts said that the effect of global warming ___ (to increase) desert area
and ___ (to raise) sea levels.

Ответы

Автор ответа: MaryFairy211
145

1. Elena is saying that she goes to the country every weekend.

2. She has just told us that they have already built the recycling plant.

3. I remember that you have promised to send the invitations by 12 o'clock.

4. We thought they had to use new farming technologies.

5. Everyone knew that the conference started next Monday

6. They felt sure they could suggest an excellent solution to this problem.

7. From the latest reports we have learned that around 40000 African elephants are killed each year .

8. The manager didn't know that his boss had gone on business trip.

9. The seeds grew well because the farmers had dug the soil well .

10. Experts said that the effect of global warming would increase desert area

and raise sea levels.

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1. Какие из реакций будет

протекать до конца?

(выпадение в осадок,

улетучивание газа).

Возможно несколько

ответов (п. 33):

А. BaCI2 +AgNO3 →BaNo3+AgCI

Б. Cu(NO3)2 + NaCl →CuCI2+NaNO3

В. Pb(NO3)2+K2S→PbS+KNO3

Г. MgCI2 +K2SO4 →MgSO4+KCI

Д. HNO3 +ZnSO4 →H2SO+Zn(NO3)2

2. Найдете реакции

гидролиза среди реакций

(возможно несколько

ответов):

А. HgO → Hg + O2 ↓

Б. P + O2 → P2O5

В. AI2S2 +H2O →AI(OH)3 ↓+H2S

Г. NaI + Pb(NO3)2 →NaNO3+Pbl2

Д. СaC2 + H2O →C2H2 стрелка вверх +Ca(OH)2 ↓



3. Найдите реакции

замещения (возможно

несколько ответов):

А. Fe +CuSO 4 → Cu +FeSO4

Б. CaCO3 → CaO + CO2 стрелка вверх

В. SO2 + O2 →SO 3

Г. Zn + HCl → ZnCI2 +H2 стрелка вверх

Д. NaOH + HCl → NaCl +H2O

4. Как называются

химические реакции,

которые протекают

одновременно в двух

направлениях – прямом и

обратном?

А. реакции разложения

Б. реакции соединения

В. реакции замещения

Г. реакции обмена

Д. реакции обратимые

5. Как называется

обменное взаимодействие

веществ с водой,

приводящее к их

разложению?

А. электролиз

Б. фотолиз

В. фотосинтез

Г. гидролиз

Д. нейтрализация